-
1
-
-
0002063230
-
A simple classification of Crohn's disease: Report of the Working Party for the World Congresses of Gastroenterology, Vienna 1998
-
Gasche C, Scholmerich J, Brynskov J, et al. A simple classification of Crohn's disease: Report of the Working Party for the World Congresses of Gastroenterology, Vienna 1998. Inflamm Bowel Dis 2000 6 : 8 15.
-
(2000)
Inflamm Bowel Dis
, vol.6
, pp. 8-15
-
-
Gasche, C.1
Scholmerich, J.2
Brynskov, J.3
-
2
-
-
34247489201
-
Trends in hospitalization rates for inflammatory bowel disease in the United States
-
Bewtra M, Su C, Lewis JD. Trends in hospitalization rates for inflammatory bowel disease in the United States. Clin Gastroenterol Hepatol 2007 5 : 597 601.
-
(2007)
Clin Gastroenterol Hepatol
, vol.5
, pp. 597-601
-
-
Bewtra, M.1
Su, C.2
Lewis, J.D.3
-
3
-
-
34247586997
-
Changes in clinical characteristics, course, and prognosis of inflammatory bowel disease during the last 5 decades: A population-based study from Copenhagen, Denmark
-
Jess T, Riis L, Vind I, et al. Changes in clinical characteristics, course, and prognosis of inflammatory bowel disease during the last 5 decades: A population-based study from Copenhagen, Denmark. Inflamm Bowel Dis 2007 13 : 481 9.
-
(2007)
Inflamm Bowel Dis
, vol.13
, pp. 481-9
-
-
Jess, T.1
Riis, L.2
Vind, I.3
-
4
-
-
33744783677
-
Increasing incidences of inflammatory bowel disease and decreasing surgery rates in Copenhagen City and County, 2003-2005: A population-based study from the Danish Crohn colitis database
-
Vind I, Riis L, Jess T, et al. Increasing incidences of inflammatory bowel disease and decreasing surgery rates in Copenhagen City and County, 2003-2005: A population-based study from the Danish Crohn colitis database. Am J Gastroenterol 2006 101 : 1274 82.
-
(2006)
Am J Gastroenterol
, vol.101
, pp. 1274-82
-
-
Vind, I.1
Riis, L.2
Jess, T.3
-
5
-
-
4644366980
-
Cost of illness of inflammatory bowel disease in the UK: A single centre retrospective study
-
Bassi A, Dodd S, Williamson P, et al. Cost of illness of inflammatory bowel disease in the UK: A single centre retrospective study. Gut 2004 53 : 1471 8.
-
(2004)
Gut
, vol.53
, pp. 1471-8
-
-
Bassi, A.1
Dodd, S.2
Williamson, P.3
-
6
-
-
0033993951
-
Direct hospital costs for patients with inflammatory bowel disease in a Canadian tertiary care university hospital
-
Bernstein CN, Papineau N, Zajaczkowski J, et al. Direct hospital costs for patients with inflammatory bowel disease in a Canadian tertiary care university hospital. Am J Gastroenterol 2000 95 : 677 83.
-
(2000)
Am J Gastroenterol
, vol.95
, pp. 677-83
-
-
Bernstein, C.N.1
Papineau, N.2
Zajaczkowski, J.3
-
7
-
-
0033892893
-
Annual cost of care for Crohn's disease: A payor perspective
-
Feagan BG, Vreeland MG, Larson LR, et al. Annual cost of care for Crohn's disease: A payor perspective. Am J Gastroenterol 2000 95 : 1955 60.
-
(2000)
Am J Gastroenterol
, vol.95
, pp. 1955-60
-
-
Feagan, B.G.1
Vreeland, M.G.2
Larson, L.R.3
-
8
-
-
33748120032
-
Cost analysis and cost determinants in a European inflammatory bowel disease inception cohort with 10 years of follow-up evaluation
-
Odes S, Vardi H, Friger M, et al. Cost analysis and cost determinants in a European inflammatory bowel disease inception cohort with 10 years of follow-up evaluation. Gastroenterology 2006 131 : 719 28.
-
(2006)
Gastroenterology
, vol.131
, pp. 719-28
-
-
Odes, S.1
Vardi, H.2
Friger, M.3
-
9
-
-
0035913228
-
The influence of hospital volume on survival after resection for lung cancer
-
Bach PB, Cramer LD, Schrag D, et al. The influence of hospital volume on survival after resection for lung cancer. N Engl J Med 2001 345 : 181 8.
-
(2001)
N Engl J Med
, vol.345
, pp. 181-8
-
-
Bach, P.B.1
Cramer, L.D.2
Schrag, D.3
-
10
-
-
33847700092
-
Relationship between number of breast cancer operations performed and 5-year survival after treatment for early-stage breast cancer
-
Gilligan MA, Neuner J, Zhang X, et al. Relationship between number of breast cancer operations performed and 5-year survival after treatment for early-stage breast cancer. Am J Public Health 2007 97 : 539 44.
-
(2007)
Am J Public Health
, vol.97
, pp. 539-44
-
-
Gilligan, M.A.1
Neuner, J.2
Zhang, X.3
-
11
-
-
0142024076
-
Association of hospital procedure volume and outcomes in patients with colon cancer at high risk for recurrence
-
Meyerhardt JA, Catalano PJ, Schrag D, et al. Association of hospital procedure volume and outcomes in patients with colon cancer at high risk for recurrence. Ann Intern Med 2003 139 : 649 57.
-
(2003)
Ann Intern Med
, vol.139
, pp. 649-57
-
-
Meyerhardt, J.A.1
Catalano, P.J.2
Schrag, D.3
-
12
-
-
0034694875
-
Influence of hospital procedure volume on outcomes following surgery for colon cancer
-
Schrag D, Cramer LD, Bach PB, et al. Influence of hospital procedure volume on outcomes following surgery for colon cancer. JAMA 2000 284 : 3028 35.
-
(2000)
JAMA
, vol.284
, pp. 3028-35
-
-
Schrag, D.1
Cramer, L.D.2
Bach, P.B.3
-
13
-
-
0345374594
-
Surgeon volume and operative mortality in the United States
-
Birkmeyer JD, Stukel TA, Siewers AE, et al. Surgeon volume and operative mortality in the United States. N Engl J Med 2003 349 : 2117 27.
-
(2003)
N Engl J Med
, vol.349
, pp. 2117-27
-
-
Birkmeyer, J.D.1
Stukel, T.A.2
Siewers, A.E.3
-
14
-
-
33847390677
-
A systematic review of the impact of volume of surgery and specialization on patient outcome
-
Chowdhury MM, Dagash H, Pierro A. A systematic review of the impact of volume of surgery and specialization on patient outcome. Br J Surg 2007 94 : 145 61.
-
(2007)
Br J Surg
, vol.94
, pp. 145-61
-
-
Chowdhury, M.M.1
Dagash, H.2
Pierro, A.3
-
15
-
-
0038071765
-
Surgical treatment of intact thoracoabdominal aortic aneurysms in the United States: Hospital and surgeon volume-related outcomes
-
Cowan JA Jr., Dimick JB, Henke PK, et al. Surgical treatment of intact thoracoabdominal aortic aneurysms in the United States: Hospital and surgeon volume-related outcomes. J Vasc Surg 2003 37 : 1169 74.
-
(2003)
J Vasc Surg
, vol.37
, pp. 1169-74
-
-
Cowan Jr., J.A.1
Dimick, J.B.2
Henke, P.K.3
-
16
-
-
0037125874
-
Is volume related to outcome in health care? a systematic review and methodologic critique of the literature
-
Halm EA, Lee C, Chassin MR. Is volume related to outcome in health care? A systematic review and methodologic critique of the literature. Ann Intern Med 2002 137 : 511 20.
-
(2002)
Ann Intern Med
, vol.137
, pp. 511-20
-
-
Halm, E.A.1
Lee, C.2
Chassin, M.R.3
-
17
-
-
33748957521
-
Hospital volume and inpatient mortality after cancer-related gastrointestinal resections: The experience of an Asian country
-
Lin HC, Xirasagar S, Lee HC, et al. Hospital volume and inpatient mortality after cancer-related gastrointestinal resections: The experience of an Asian country. Ann Surg Oncol 2006 13 : 1182 8.
-
(2006)
Ann Surg Oncol
, vol.13
, pp. 1182-8
-
-
Lin, H.C.1
Xirasagar, S.2
Lee, H.C.3
-
18
-
-
34247847852
-
National outcomes after gastric resection for neoplasm
-
Smith JK, McPhee JT, Hill JS, et al. National outcomes after gastric resection for neoplasm. Arch Surg 2007 142 : 387 93.
-
(2007)
Arch Surg
, vol.142
, pp. 387-93
-
-
Smith, J.K.1
McPhee, J.T.2
Hill, J.S.3
-
19
-
-
0842331407
-
Hospital teaching status and outcomes of complex surgical procedures in the United States
-
Dimick JB, Cowan JA Jr., Colletti LM, et al. Hospital teaching status and outcomes of complex surgical procedures in the United States. Arch Surg 2004 139 : 137 41.
-
(2004)
Arch Surg
, vol.139
, pp. 137-41
-
-
Dimick, J.B.1
Cowan Jr., J.A.2
Colletti, L.M.3
-
20
-
-
0037696301
-
Hospital volume-related differences in aorto-bifemoral bypass operative mortality in the United States
-
Dimick JB, Cowan JA Jr., Henke PK, et al. Hospital volume-related differences in aorto-bifemoral bypass operative mortality in the United States. J Vasc Surg 2003 37 : 970 5.
-
(2003)
J Vasc Surg
, vol.37
, pp. 970-5
-
-
Dimick, J.B.1
Cowan Jr., J.A.2
Henke, P.K.3
-
21
-
-
0042734601
-
Hospital volume and surgical outcomes for elderly patients with colorectal cancer in the United States
-
Dimick JB, Cowan JA Jr., Upchurch GR Jr., et al. Hospital volume and surgical outcomes for elderly patients with colorectal cancer in the United States. J Surg Res 2003 114 : 50 6.
-
(2003)
J Surg Res
, vol.114
, pp. 50-6
-
-
Dimick, J.B.1
Cowan Jr., J.A.2
Upchurch Jr., G.R.3
-
22
-
-
0037702121
-
Hospital volume and operative mortality in cancer surgery: A national study
-
discussion 726.
-
Finlayson EV, Goodney PP, Birkmeyer JD. Hospital volume and operative mortality in cancer surgery: A national study. Arch Surg 2003 138 : 721 5 discussion 726.
-
(2003)
Arch Surg
, vol.138
, pp. 721-5
-
-
Finlayson, E.V.1
Goodney, P.P.2
Birkmeyer, J.D.3
-
23
-
-
0842327234
-
Hospital coronary artery bypass graft surgery volume and patient mortality, 1998-2000
-
Rathore SS, Epstein AJ, Volpp KG, et al. Hospital coronary artery bypass graft surgery volume and patient mortality, 1998-2000. Ann Surg 2004 239 : 110 7.
-
(2004)
Ann Surg
, vol.239
, pp. 110-7
-
-
Rathore, S.S.1
Epstein, A.J.2
Volpp, K.G.3
-
24
-
-
33750475631
-
Small rural hospitals and high-risk operations: How would regionalization affect surgical volume and hospital revenue?
-
Chappel AR, Zuckerman RS, Finlayson SR. Small rural hospitals and high-risk operations: How would regionalization affect surgical volume and hospital revenue? J Am Coll Surg 2006 203 : 599 604.
-
(2006)
J Am Coll Surg
, vol.203
, pp. 599-604
-
-
Chappel, A.R.1
Zuckerman, R.S.2
Finlayson, S.R.3
-
25
-
-
0028840296
-
Regionalization of cardiac surgery in the United States and Canada. Geographic access, choice, and outcomes
-
Grumbach K, Anderson GM, Luft HS, et al. Regionalization of cardiac surgery in the United States and Canada. Geographic access, choice, and outcomes. JAMA 1995 274 : 1282 8.
-
(1995)
JAMA
, vol.274
, pp. 1282-8
-
-
Grumbach, K.1
Anderson, G.M.2
Luft, H.S.3
-
26
-
-
0028148966
-
The relation between the volume of coronary angioplasty procedures at hospitals treating Medicare beneficiaries and short-term mortality
-
Jollis JG, Peterson ED, DeLong ER, et al. The relation between the volume of coronary angioplasty procedures at hospitals treating Medicare beneficiaries and short-term mortality. N Engl J Med 1994 331 : 1625 9.
-
(1994)
N Engl J Med
, vol.331
, pp. 1625-9
-
-
Jollis, J.G.1
Peterson, E.D.2
Delong, E.R.3
-
27
-
-
0031041850
-
Regionalization of tertiary care: Impact of safe cardiovascular volumes in Iowa
-
Rohrer JE, Vaughan MS, Wenzel RP. Regionalization of tertiary care: Impact of safe cardiovascular volumes in Iowa. Health Serv Manage Res 1997 10 : 1 6.
-
(1997)
Health Serv Manage Res
, vol.10
, pp. 1-6
-
-
Rohrer, J.E.1
Vaughan, M.S.2
Wenzel, R.P.3
-
28
-
-
33745595340
-
Impact of patient volume on the mortality rate of adult intensive care unit patients
-
Glance LG, Li Y, Osler TM, et al. Impact of patient volume on the mortality rate of adult intensive care unit patients. Crit Care Med 2006 34 : 1925 34.
-
(2006)
Crit Care Med
, vol.34
, pp. 1925-34
-
-
Glance, L.G.1
Li, Y.2
Osler, T.M.3
-
29
-
-
33745698681
-
Hospital volume and the outcomes of mechanical ventilation
-
Kahn JM, Goss CH, Heagerty PJ, et al. Hospital volume and the outcomes of mechanical ventilation. N Engl J Med 2006 355 : 41 50.
-
(2006)
N Engl J Med
, vol.355
, pp. 41-50
-
-
Kahn, J.M.1
Goss, C.H.2
Heagerty, P.J.3
-
30
-
-
33747514908
-
Hospital volume and mortality for mechanical ventilation of medical and surgical patients: A population-based analysis using administrative data
-
Needham DM, Bronskill SE, Rothwell DM, et al. Hospital volume and mortality for mechanical ventilation of medical and surgical patients: A population-based analysis using administrative data. Crit Care Med 2006 34 : 2349 54.
-
(2006)
Crit Care Med
, vol.34
, pp. 2349-54
-
-
Needham, D.M.1
Bronskill, S.E.2
Rothwell, D.M.3
-
31
-
-
55349103481
-
-
HCUP Nationwide Inpatient Sample (NIS). Healthcare Cost and Utilization Project (HCUP). Agency for Healthcare Research and Quality, Rockville, MD. Available at: Accessed December 23, 2007.
-
HCUP Nationwide Inpatient Sample (NIS). Healthcare Cost and Utilization Project (HCUP). 2004. Agency for Healthcare Research and Quality, Rockville, MD. Available at : http://www.hcup-us.ahrq.gov/nisoverview.jsp. Accessed December 23, 2007.
-
(2004)
-
-
-
32
-
-
0036561844
-
The healthcare cost and utilization project: An overview
-
Steiner C, Elixhauser A, Schnaier J. The healthcare cost and utilization project: An overview. Eff Clin Pract 2002 5 : 143 51.
-
(2002)
Eff Clin Pract
, vol.5
, pp. 143-51
-
-
Steiner, C.1
Elixhauser, A.2
Schnaier, J.3
-
33
-
-
55349121578
-
-
HCUP Nationwide Inpatient Sample (NIS) Comparison Report. HCUP Methods Series Report # 2007-03. U.S. Agency for Healthcare Research and Quality. Available at: Accessed February 2, 2007.
-
Whalen D, Houchens R, Elixhauser A. 2004. HCUP Nationwide Inpatient Sample (NIS) Comparison Report. HCUP Methods Series Report # 2007-03. U.S. Agency for Healthcare Research and Quality. Available at : http://www.hcup-us. ahrq.gov/reports/methods.jsp. Accessed February 2, 2007.
-
(2004)
-
-
Whalen, D.1
Houchens, R.2
Elixhauser, A.3
-
34
-
-
0037361811
-
Volume thresholds and hospital characteristics in the United States
-
Elixhauser A, Steiner C, Fraser I. Volume thresholds and hospital characteristics in the United States. Health Aff (Millwood) 2003 22 : 167 77.
-
(2003)
Health Aff (Millwood)
, vol.22
, pp. 167-77
-
-
Elixhauser, A.1
Steiner, C.2
Fraser, I.3
-
35
-
-
36749088149
-
Race and health insurance are predictors of hospitalized Crohn's disease patients undergoing bowel resection
-
Nguyen GC, Bayless TM, Powe NR, et al. Race and health insurance are predictors of hospitalized Crohn's disease patients undergoing bowel resection. Inflamm Bowel Dis 2007 13 : 1408 16.
-
(2007)
Inflamm Bowel Dis
, vol.13
, pp. 1408-16
-
-
Nguyen, G.C.1
Bayless, T.M.2
Powe, N.R.3
-
36
-
-
0023092594
-
A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation
-
Charlson ME, Pompei P, Ales KL, et al. A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation. J Chronic Dis 1987 40 : 373 83.
-
(1987)
J Chronic Dis
, vol.40
, pp. 373-83
-
-
Charlson, M.E.1
Pompei, P.2
Ales, K.L.3
-
37
-
-
0026639706
-
Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases
-
Deyo RA, Cherkin DC, Ciol MA. Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases. J Clin Epidemiol 1992 45 : 613 9.
-
(1992)
J Clin Epidemiol
, vol.45
, pp. 613-9
-
-
Deyo, R.A.1
Cherkin, D.C.2
Ciol, M.A.3
-
38
-
-
33644870921
-
Hospitalization, surgery, and readmission rates of IBD in Canada: A population-based study
-
Bernstein CN, Nabalamba A. Hospitalization, surgery, and readmission rates of IBD in Canada: A population-based study. Am J Gastroenterol 2006 101 : 110 8.
-
(2006)
Am J Gastroenterol
, vol.101
, pp. 110-8
-
-
Bernstein, C.N.1
Nabalamba, A.2
-
39
-
-
0030860813
-
Severity-adjusted mortality and length of stay in teaching and nonteaching hospitals. Results of a regional study
-
Rosenthal GE, Harper DL, Quinn LM, et al. Severity-adjusted mortality and length of stay in teaching and nonteaching hospitals. Results of a regional study. JAMA 1997 278 : 485 90.
-
(1997)
JAMA
, vol.278
, pp. 485-90
-
-
Rosenthal, G.E.1
Harper, D.L.2
Quinn, L.M.3
-
40
-
-
0033567210
-
Invited commentary: Propensity scores
-
Joffe MM, Rosenbaum PR. Invited commentary: Propensity scores. Am J Epidemiol 1999 150 : 327 33.
-
(1999)
Am J Epidemiol
, vol.150
, pp. 327-33
-
-
Joffe, M.M.1
Rosenbaum, P.R.2
-
41
-
-
0030862072
-
Estimating causal effects from large data sets using propensity scores
-
Rubin DB. Estimating causal effects from large data sets using propensity scores. Ann Intern Med 1997 127 : 757 63.
-
(1997)
Ann Intern Med
, vol.127
, pp. 757-63
-
-
Rubin, D.B.1
-
42
-
-
39749157779
-
Impact of hospital volume on postoperative morbidity and mortality following a colectomy for ulcerative colitis
-
Kaplan GG, McCarthy EP, Ayanian JZ, et al. Impact of hospital volume on postoperative morbidity and mortality following a colectomy for ulcerative colitis. Gastroenterology 2008 134 : 680 7.
-
(2008)
Gastroenterology
, vol.134
, pp. 680-7
-
-
Kaplan, G.G.1
McCarthy, E.P.2
Ayanian, J.Z.3
-
43
-
-
33747162230
-
Relationship among hospital ERCP volume, length of stay, and technical outcomes
-
Varadarajulu S, Kilgore ML, Wilcox CM, et al. Relationship among hospital ERCP volume, length of stay, and technical outcomes. Gastrointest Endosc 2006 64 : 338 47.
-
(2006)
Gastrointest Endosc
, vol.64
, pp. 338-47
-
-
Varadarajulu, S.1
Kilgore, M.L.2
Wilcox, C.M.3
-
44
-
-
33748353821
-
The burden of gastrointestinal and liver diseases, 2006.
-
Shaheen NJ, Hansen RA, Morgan DR, et al. The burden of gastrointestinal and liver diseases, 2006. Am J Gastroenterol 2006 101 : 2128 38.
-
(2006)
Am J Gastroenterol
, vol.101
, pp. 2128-38
-
-
Shaheen, N.J.1
Hansen, R.A.2
Morgan, D.R.3
-
45
-
-
33846692472
-
Relation between hospital volume and outcome of elective surgery for abdominal aortic aneurysm: A systematic review
-
Henebiens M, Van Den Broek TA, Vahl AC, et al. Relation between hospital volume and outcome of elective surgery for abdominal aortic aneurysm: A systematic review. Eur J Vasc Endovasc Surg 2007 33 : 285 92.
-
(2007)
Eur J Vasc Endovasc Surg
, vol.33
, pp. 285-92
-
-
Henebiens, M.1
Van Den Broek, T.A.2
Vahl, A.C.3
-
46
-
-
34548667905
-
Differences in the management of Crohn's disease among experts and community providers, based on a national survey of sample case vignettes
-
Esrailian E, Spiegel BM, Targownik LE, et al. Differences in the management of Crohn's disease among experts and community providers, based on a national survey of sample case vignettes. Aliment Pharmacol Ther 2007 26 : 1005 18.
-
(2007)
Aliment Pharmacol Ther
, vol.26
, pp. 1005-18
-
-
Esrailian, E.1
Spiegel, B.M.2
Targownik, L.E.3
-
47
-
-
34547616791
-
Intercenter variation in initial management of children with Crohn's disease
-
Kappelman MD, Bousvaros A, Hyams J, et al. Intercenter variation in initial management of children with Crohn's disease. Inflamm Bowel Dis 2007 13 : 890 5.
-
(2007)
Inflamm Bowel Dis
, vol.13
, pp. 890-5
-
-
Kappelman, M.D.1
Bousvaros, A.2
Hyams, J.3
-
48
-
-
33644607144
-
Optimizing quality of outpatient care for patients with inflammatory bowel disease: The importance of specialist clinics
-
Mawdsley JE, Irving PM, Makins RJ, et al. Optimizing quality of outpatient care for patients with inflammatory bowel disease: The importance of specialist clinics. Eur J Gastroenterol Hepatol 2006 18 : 249 53.
-
(2006)
Eur J Gastroenterol Hepatol
, vol.18
, pp. 249-53
-
-
Mawdsley, J.E.1
Irving, P.M.2
Makins, R.J.3
-
49
-
-
34249798162
-
Medical management of ulcerative colitis in 2006: What's on the horizon?
-
Feagan BG. Medical management of ulcerative colitis in 2006: What's on the horizon? Am J Gastroenterol 2007 102 : S7 13.
-
(2007)
Am J Gastroenterol
, vol.102
-
-
Feagan, B.G.1
-
50
-
-
16444373871
-
Crohn's disease patient characteristics in a tertiary referral center: Comparison with patients from a population-based cohort
-
Zankel E, Rogler G, Andus T, et al. Crohn's disease patient characteristics in a tertiary referral center: Comparison with patients from a population-based cohort. Eur J Gastroenterol Hepatol 2005 17 : 395 401.
-
(2005)
Eur J Gastroenterol Hepatol
, vol.17
, pp. 395-401
-
-
Zankel, E.1
Rogler, G.2
Andus, T.3
-
51
-
-
38549145676
-
The volume-outcome debate revisited
-
discussion 1061-9, 1133-48.
-
Finlayson SR. The volume-outcome debate revisited. Am Surg 2006 72 : 1038 42 discussion 1061-9, 1133-48.
-
(2006)
Am Surg
, vol.72
, pp. 1038-42
-
-
Finlayson, S.R.1
-
52
-
-
0033609262
-
The association between hospital volume and survival after acute myocardial infarction in elderly patients
-
Thiemann DR, Coresh J, Oetgen WJ, et al. The association between hospital volume and survival after acute myocardial infarction in elderly patients. N Engl J Med 1999 340 : 1640 8.
-
(1999)
N Engl J Med
, vol.340
, pp. 1640-1648
-
-
Thiemann, D.R.1
Coresh, J.2
Oetgen, W.J.3
|