-
2
-
-
0034702233
-
A comparison of observational studies and randomized, controlled trials
-
Benson K, Hartz AJ. A comparison of observational studies and randomized, controlled trials. N Engl J Med 2000; 342:1878-1886.
-
(2000)
N Engl J Med
, vol.342
, pp. 1878-1886
-
-
Benson, K.1
Hartz, A.J.2
-
3
-
-
2442649987
-
When are observational studies as credible as randomised trials?
-
Vandenbroucke JP. When are observational studies as credible as randomised trials? Lancet 2004; 363:1728-1731.
-
(2004)
Lancet
, vol.363
, pp. 1728-1731
-
-
Vandenbroucke, J.P.1
-
4
-
-
0141870148
-
Evaluating non-randomised intervention studies
-
Deeks JJ, Dinnes J, D'Amico R, Sowden AJ, Sakarovitch C, Song F, et al. Evaluating non-randomised intervention studies. Health Technol Assess 2003; 7:1-173.
-
(2003)
Health Technol Assess
, vol.7
, pp. 1-173
-
-
Deeks, J.J.1
Dinnes, J.2
D'Amico, R.3
Sowden, A.J.4
Sakarovitch, C.5
Song, F.6
-
5
-
-
0036816793
-
An overview of relations among causal modelling methods
-
Greenland S, Brumback B. An overview of relations among causal modelling methods. Int J Epidemiol 2002; 31:1030-1037.
-
(2002)
Int J Epidemiol
, vol.31
, pp. 1030-1037
-
-
Greenland, S.1
Brumback, B.2
-
6
-
-
0037373575
-
Confounding and confounders
-
McNamee R. Confounding and confounders. Occup Environ Med 2003; 60:227-234.
-
(2003)
Occup Environ Med
, vol.60
, pp. 227-234
-
-
McNamee, R.1
-
7
-
-
0031715944
-
A closer look at confounding
-
Sonis J. A closer look at confounding. Fam Med 1998; 30:584-588.
-
(1998)
Fam Med
, vol.30
, pp. 584-588
-
-
Sonis, J.1
-
9
-
-
0019416737
-
Confounding: Essence and detection
-
Miettinen OS, Cook EF. Confounding: essence and detection. Am J Epidemiol 1981; 114:593-603.
-
(1981)
Am J Epidemiol
, vol.114
, pp. 593-603
-
-
Miettinen, O.S.1
Cook, E.F.2
-
11
-
-
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 (Pt 2):757-763.
-
(1997)
Ann Intern Med
, vol.127
, Issue.2 PART
, pp. 757-763
-
-
Rubin, D.B.1
-
13
-
-
33748279179
-
Risk adjustment methods in health care accountability
-
Stecher B, Kirby SN (eds). RAND, MG-136-WFHF, Chapter 7
-
Pearson ML, Stecher B. Risk adjustment methods in health care accountability. In: Stecher B, Kirby SN (eds). Organizational improvement and accountability: lessons for education from other sectors, RAND, MG-136-WFHF, Chapter 7, 2004. pp. 95-105.
-
(2004)
Organizational Improvement and Accountability: Lessons for Education from Other Sectors
, pp. 95-105
-
-
Pearson, M.L.1
Stecher, B.2
-
15
-
-
0037294229
-
Risk-adjusted sequential probability ratio tests: Applications to Bristol, Shipman and adult cardiac surgery
-
Spiegelhalter D, Grigg O, Kinsman R, Treasure T. Risk-adjusted sequential probability ratio tests: applications to Bristol, Shipman and adult cardiac surgery. Int J Qual Health Care 2003; 15:7-13.
-
(2003)
Int J Qual Health Care
, vol.15
, pp. 7-13
-
-
Spiegelhalter, D.1
Grigg, O.2
Kinsman, R.3
Treasure, T.4
-
16
-
-
0038725456
-
Validity of the risk adjustment approach to compare outcomes
-
Silva LK. Validity of the risk adjustment approach to compare outcomes. Cad Saude Publica 2003; 19:287-295.
-
(2003)
Cad Saude Publica
, vol.19
, pp. 287-295
-
-
Silva, L.K.1
-
18
-
-
22344453321
-
Risk stratification and comorbidity
-
Cohn LH, Edmunds LH Jr, editors. New York: McGraw-Hill
-
Ferraris VA, Ferraris SP. Risk stratification and comorbidity. In: Cohn LH, Edmunds LH Jr, editors. Cardiac surgery in the adult. New York: McGraw-Hill; 2003. pp. 187-224.
-
(2003)
Cardiac Surgery in the Adult
, pp. 187-224
-
-
Ferraris, V.A.1
Ferraris, S.P.2
-
19
-
-
0026409568
-
The APACHE III prognostic system. Risk prediction of hospital mortality for critically ill hospitalized adults
-
Knaus WA, Wagner DP, Draper EA, Zimmerman JE, Bergner M, Bastos PG, et al. The APACHE III prognostic system. Risk prediction of hospital mortality for critically ill hospitalized adults. Chest 1991; 100:1619-1636.
-
(1991)
Chest
, vol.100
, pp. 1619-1636
-
-
Knaus, W.A.1
Wagner, D.P.2
Draper, E.A.3
Zimmerman, J.E.4
Bergner, M.5
Bastos, P.G.6
-
20
-
-
0025784002
-
Measuring severity of illness: Six severity systems and their ability to explain cost variations
-
Thomas JW, Ashcraft ML. Measuring severity of illness: six severity systems and their ability to explain cost variations. Inquiry 1991; 28:39-55.
-
(1991)
Inquiry
, vol.28
, pp. 39-55
-
-
Thomas, J.W.1
Ashcraft, M.L.2
-
22
-
-
0028826024
-
Predicting who dies depends on how severity is measured: Implications for evaluating patient outcomes
-
Iezzoni LI, Ash AS, Shwartz M, Daley J, Hughes JS, Mackiernan YD. Predicting who dies depends on how severity is measured: implications for evaluating patient outcomes. Ann Intern Med 1995; 123:763-770.
-
(1995)
Ann Intern Med
, vol.123
, pp. 763-770
-
-
Iezzoni, L.I.1
Ash, A.S.2
Shwartz, M.3
Daley, J.4
Hughes, J.S.5
Mackiernan, Y.D.6
-
23
-
-
0028893946
-
Multicenter validation of a risk index for mortality, intensive care unit stay, and overall hospital length of stay after cardiac surgery
-
Steering Committee of the Provincial Adult Cardiac Care Network of Ontario
-
Tu JV, Jaglal SB, Naylor CD. Multicenter validation of a risk index for mortality, intensive care unit stay, and overall hospital length of stay after cardiac surgery. Steering Committee of the Provincial Adult Cardiac Care Network of Ontario. Circulation 1995; 91:677-684.
-
(1995)
Circulation
, vol.91
, pp. 677-684
-
-
Tu, J.V.1
Jaglal, S.B.2
Naylor, C.D.3
-
25
-
-
0032801163
-
European system for cardiac operative risk evaluation (EuroSCORE)
-
Nashef SA, Roques F, Michel P, Gauducheau E, Lemeshow S, Salamon R. European system for cardiac operative risk evaluation (EuroSCORE). Eur J Cardiothorac Surg 1999; 16:9-13.
-
(1999)
Eur J Cardiothorac Surg
, vol.16
, pp. 9-13
-
-
Nashef, S.A.1
Roques, F.2
Michel, P.3
Gauducheau, E.4
Lemeshow, S.5
Salamon, R.6
-
26
-
-
8944244596
-
-
Boston: Beth Israel Hospital; Prepared for the Agency for Health Care Policy and Research under grant no. RO1-HS06742
-
Iezzoni LI, Shwartz M, Ash AS, Hughes JS, Daley J, Mackiernan YD, et al. Evaluating severity adjustors for patient outcome studies. Final report. Boston: Beth Israel Hospital; 1995. Prepared for the Agency for Health Care Policy and Research under grant no. RO1-HS06742.
-
(1995)
Evaluating Severity Adjustors for Patient Outcome Studies. Final Report
-
-
Iezzoni, L.I.1
Shwartz, M.2
Ash, A.S.3
Hughes, J.S.4
Daley, J.5
Mackiernan, Y.D.6
-
27
-
-
33748278440
-
-
APR-DRG
-
[3M] Health Information Systems. 3M All Patient Refined DRG (APR-DRG); 1995. http://www.3mhis.com [Accessed 6 May 2006].
-
(1995)
3M All Patient Refined DRG
-
-
-
28
-
-
0028626315
-
Refinement of the Medicare diagnosis-related groups to incorporate a measure of severity
-
Edwards N, Honemann D, Burley D, Navarro M. Refinement of the Medicare diagnosis-related groups to incorporate a measure of severity. Health Care Financ Rev 1994; 16:45-64.
-
(1994)
Health Care Financ Rev
, vol.16
, pp. 45-64
-
-
Edwards, N.1
Honemann, D.2
Burley, D.3
Navarro, M.4
-
29
-
-
0021764642
-
DRGs must be changed to take patient's illness severity into account
-
Mendenhall S. DRGs must be changed to take patient's illness severity into account. Mod Healthc 1984; 14:86-88.
-
(1984)
Mod Healthc
, vol.14
, pp. 86-88
-
-
Mendenhall, S.1
-
30
-
-
0023092594
-
A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation
-
Charlson ME, Pompei P, Ales KL, MacKenzie CR. A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis 1987; 40:373-383.
-
(1987)
J Chronic Dis
, vol.40
, pp. 373-383
-
-
Charlson, M.E.1
Pompei, P.2
Ales, K.L.3
MacKenzie, C.R.4
-
31
-
-
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; 45:613-619.
-
(1992)
J Clin Epidemiol
, vol.45
, pp. 613-619
-
-
Deyo, R.A.1
Cherkin, D.C.2
Ciol, M.A.3
-
32
-
-
0026519435
-
Stratification of morbidity and mortality outcome by preoperative risk factors in coronary artery bypass patients. A clinical severity score
-
Higgins TL, Estafanous FG, Loop FD, Beck GJ, Blum JM, Paranandi L. Stratification of morbidity and mortality outcome by preoperative risk factors in coronary artery bypass patients. A clinical severity score. JAMA 1992; 267:2344-2348.
-
(1992)
JAMA
, vol.267
, pp. 2344-2348
-
-
Higgins, T.L.1
Estafanous, F.G.2
Loop, F.D.3
Beck, G.J.4
Blum, J.M.5
Paranandi, L.6
-
33
-
-
0021334295
-
Staging of disease. A case-mix measurement
-
Gonnella JS, Hornbrook MC, Louis DZ. Staging of disease. A case-mix measurement. JAMA 1984; 251:637-644.
-
(1984)
JAMA
, vol.251
, pp. 637-644
-
-
Gonnella, J.S.1
Hornbrook, M.C.2
Louis, D.Z.3
-
35
-
-
0026734678
-
Multivariate prediction of in-hospital mortality associated with coronary artery bypass graft surgery
-
Northern New England Cardiovascular Disease Study Group
-
O'Connor GT, Plume SK, Olmstead EM, Coffin LH, Morton JR, Maloney CT, et al. Multivariate prediction of in-hospital mortality associated with coronary artery bypass graft surgery. Northern New England Cardiovascular Disease Study Group. Circulation 1992; 85:2110-2118.
-
(1992)
Circulation
, vol.85
, pp. 2110-2118
-
-
O'Connor, G.T.1
Plume, S.K.2
Olmstead, E.M.3
Coffin, L.H.4
Morton, J.R.5
Maloney, C.T.6
-
36
-
-
1642624086
-
A regional intervention to improve the hospital mortality associated with coronary artery bypass graft surgery
-
The Northern New England Cardiovascular Disease Study Group
-
O'Connor GT, Plume SK, Olmstead EM, Morton JR, Maloney CT, Nugent WC, et al. A regional intervention to improve the hospital mortality associated with coronary artery bypass graft surgery. The Northern New England Cardiovascular Disease Study Group. JAMA 1996; 275:841-846.
-
(1996)
JAMA
, vol.275
, pp. 841-846
-
-
O'Connor, G.T.1
Plume, S.K.2
Olmstead, E.M.3
Morton, J.R.4
Maloney, C.T.5
Nugent, W.C.6
-
37
-
-
0024393863
-
A method of uniform stratification of risk for evaluating the results of surgery in acquired adult heart disease
-
Parsonnet V, Dean D, Bernstein AD. A method of uniform stratification of risk for evaluating the results of surgery in acquired adult heart disease. Circulation 1989; 79 (Pt 2):I3-I12.
-
(1989)
Circulation
, vol.79
, Issue.2 PART
-
-
Parsonnet, V.1
Dean, D.2
Bernstein, A.D.3
-
38
-
-
0030063520
-
Clinical usefulness of risk-stratified outcome analysis in cardiac surgery in New Jersey
-
Parsonnet V, Bernstein AD, Gera M. Clinical usefulness of risk-stratified outcome analysis in cardiac surgery in New Jersey. Ann Thorac Surg 1996; 61 (suppl):S8-S11.
-
(1996)
Ann Thorac Surg
, vol.61
, Issue.SUPPL.
-
-
Parsonnet, V.1
Bernstein, A.D.2
Gera, M.3
-
39
-
-
18844464255
-
Mortality prediction in cardiac surgery patients: Comparative performance of Parsonnet and general severity systems
-
Martinez-Alario J, Tuesta ID, Plasencia E, Santana M, Mora ML. Mortality prediction in cardiac surgery patients: comparative performance of Parsonnet and general severity systems. Circulation 1999; 99:2378-2382.
-
(1999)
Circulation
, vol.99
, pp. 2378-2382
-
-
Martinez-Alario, J.1
Tuesta, I.D.2
Plasencia, E.3
Santana, M.4
Mora, M.L.5
-
40
-
-
0027994062
-
PMC Patient Severity Scale: Derivation and validation
-
Young WW, Kohler S, Kowalski J. PMC Patient Severity Scale: derivation and validation. Health Serv Res 1994; 29:367-390.
-
(1994)
Health Serv Res
, vol.29
, pp. 367-390
-
-
Young, W.W.1
Kohler, S.2
Kowalski, J.3
-
41
-
-
0027161309
-
Predicted probabilities of hospital death as a measure of admission severity of illness
-
Steen PM, Brewster AC, Bradbury RC, Estabrook E, Young JA. Predicted probabilities of hospital death as a measure of admission severity of illness. Inquiry 1993; 30:128-141.
-
(1993)
Inquiry
, vol.30
, pp. 128-141
-
-
Steen, P.M.1
Brewster, A.C.2
Bradbury, R.C.3
Estabrook, E.4
Young, J.A.5
-
42
-
-
0028258295
-
Continuous assessment and improvement in quality of care. A model from the Department of Veterans Affairs Cardiac Surgery
-
Hammermeister KE, Johnson R, Marshall G, Grover FL. Continuous assessment and improvement in quality of care. A model from the Department of Veterans Affairs Cardiac Surgery. Ann Surg 1994; 219:281-290.
-
(1994)
Ann Surg
, vol.219
, pp. 281-290
-
-
Hammermeister, K.E.1
Johnson, R.2
Marshall, G.3
Grover, F.L.4
-
43
-
-
0029818925
-
Calculating risk and outcome: The Veterans Affairs database
-
Grover FL, Shroyer AL, Hammermeister KE. Calculating risk and outcome: the Veterans Affairs database. Ann Thorac Surg 1996; 62 (suppl):S6-S11.
-
(1996)
Ann Thorac Surg
, vol.62
, Issue.SUPPL.
-
-
Grover, F.L.1
Shroyer, A.L.2
Hammermeister, K.E.3
-
44
-
-
0025202382
-
Adult open heart surgery in New York State. An analysis of risk factors and hospital mortality rates
-
Hannan EL, Kilburn H Jr, O'Donnell JF, Lukacik G, Shields EP. Adult open heart surgery in New York State. An analysis of risk factors and hospital mortality rates. JAMA 1990; 264:2768-2774.
-
(1990)
JAMA
, vol.264
, pp. 2768-2774
-
-
Hannan, E.L.1
Kilburn Jr., H.2
O'Donnell, J.F.3
Lukacik, G.4
Shields, E.P.5
-
45
-
-
0028081244
-
New York State's Cardiac Surgery Reporting System: Four years later
-
Hannan EL, Kumar D, Racz M, Siu AL, Chassin MR. New York State's Cardiac Surgery Reporting System: four years later. Ann Thorac Surg 1994; 58:1852-1857.
-
(1994)
Ann Thorac Surg
, vol.58
, pp. 1852-1857
-
-
Hannan, E.L.1
Kumar, D.2
Racz, M.3
Siu, A.L.4
Chassin, M.R.5
-
46
-
-
0027982998
-
Coronary artery bypass grafting: The Society of Thoracic Surgeons National Database experience
-
Edwards FH, Clark RE, Schwartz M. Coronary artery bypass grafting: the Society of Thoracic Surgeons National Database experience. Ann Thorac Surg 1994; 57:12-19.
-
(1994)
Ann Thorac Surg
, vol.57
, pp. 12-19
-
-
Edwards, F.H.1
Clark, R.E.2
Schwartz, M.3
-
47
-
-
0027943055
-
Risk stratification using the Society of Thoracic Surgeons Program
-
Hattler BG, Madia C, Johnson C, Armitage JM, Hardesty RL, Kormos RL, et al. Risk stratification using the Society of Thoracic Surgeons Program. Ann Thorac Surg 1994; 58:1348-1352.
-
(1994)
Ann Thorac Surg
, vol.58
, pp. 1348-1352
-
-
Hattler, B.G.1
Madia, C.2
Johnson, C.3
Armitage, J.M.4
Hardesty, R.L.5
Kormos, R.L.6
-
48
-
-
0030992408
-
The Society of Thoracic Surgeons National Cardiac Surgery Database: Current risk assessment
-
Edwards FH, Grover FL, Shroyer AL, Schwartz M, Bero J. The Society of Thoracic Surgeons National Cardiac Surgery Database: current risk assessment. Ann Thorac Surg 1997; 63:903-908.
-
(1997)
Ann Thorac Surg
, vol.63
, pp. 903-908
-
-
Edwards, F.H.1
Grover, F.L.2
Shroyer, A.L.3
Schwartz, M.4
Bero, J.5
-
49
-
-
0030221202
-
Inappropriate use of bivariable analysis to screen risk factors for use in multivariable analysis
-
Sun GW, Shook TL, Kay GL. Inappropriate use of bivariable analysis to screen risk factors for use in multivariable analysis. J Clin Epidemiol 1996; 49:907-916.
-
(1996)
J Clin Epidemiol
, vol.49
, pp. 907-916
-
-
Sun, G.W.1
Shook, T.L.2
Kay, G.L.3
-
50
-
-
0029393825
-
Statistical methods and strategies for working with large data bases
-
Marshall G, Henderson WG, Moritz TE, Shroyer AL, Grover FL, Hammermeister KE. Statistical methods and strategies for working with large data bases. Med Care 1995; 33 (suppl):OS35-OS42.
-
(1995)
Med Care
, vol.33
, Issue.SUPPL.
-
-
Marshall, G.1
Henderson, W.G.2
Moritz, T.E.3
Shroyer, A.L.4
Grover, F.L.5
Hammermeister, K.E.6
-
51
-
-
0022569935
-
The role of model selection in causal inference from nonexperimental data
-
Robins JM, Greenland S. The role of model selection in causal inference from nonexperimental data. Am J Epidemiol 1986; 123:392-402.
-
(1986)
Am J Epidemiol
, vol.123
, pp. 392-402
-
-
Robins, J.M.1
Greenland, S.2
-
52
-
-
0024503860
-
Modeling and variable selection in epidemiologic analysis
-
Greenland S. Modeling and variable selection in epidemiologic analysis. Am J Public Health 1989; 79:340-349.
-
(1989)
Am J Public Health
, vol.79
, pp. 340-349
-
-
Greenland, S.1
-
53
-
-
0036961997
-
Epidemiologic methods: The 'art' in the state of the art
-
Kleinbaum DG. Epidemiologic methods: the 'art' in the state of the art. J Clin Epidemiol 2002; 55:1196-1200.
-
(2002)
J Clin Epidemiol
, vol.55
, pp. 1196-1200
-
-
Kleinbaum, D.G.1
-
58
-
-
0020083498
-
The meaning and use of the area under a receiver operating characteristic (ROC) curve
-
Hanley JA, McNeil BJ. The meaning and use of the area under a receiver operating characteristic (ROC) curve. Radiology 1982; 143:29-36.
-
(1982)
Radiology
, vol.143
, pp. 29-36
-
-
Hanley, J.A.1
McNeil, B.J.2
-
59
-
-
0023710206
-
Comparing the areas under two or more correlated receiver operating characteristic curves: A nonparametric approach
-
DeLong ER, DeLong DM, Clarke-Pearson DL. Comparing the areas under two or more correlated receiver operating characteristic curves: a nonparametric approach. Biometrics 1988; 44:837-845.
-
(1988)
Biometrics
, vol.44
, pp. 837-845
-
-
DeLong, E.R.1
DeLong, D.M.2
Clarke-Pearson, D.L.3
-
60
-
-
0030696848
-
Comparing risk-adjustment methods for provider profiling
-
DeLong ER, Peterson ED, DeLong DM, Muhlbaier LH, Hackett S, Mark DB. Comparing risk-adjustment methods for provider profiling. Stat Med 1997; 16:2645-2664.
-
(1997)
Stat Med
, vol.16
, pp. 2645-2664
-
-
DeLong, E.R.1
Peterson, E.D.2
DeLong, D.M.3
Muhlbaier, L.H.4
Hackett, S.5
Mark, D.B.6
-
61
-
-
33748263469
-
Gender-specific risk adjustment for comparative evaluation of 30-day mortality among patients with acute myocardial infarction
-
22-25 June, 2003; Canmore. Canmore: ISTAHC
-
Fusco D, Fantini MP, Perucci CA, Cimaglia C. Gender-specific risk adjustment for comparative evaluation of 30-day mortality among patients with acute myocardial infarction [abstract]. In: Abstracts of the 19th Annual Meeting of the International Society of Technology Assessment in Health Care; 22-25 June, 2003; Canmore. Canmore: ISTAHC; 2003. p. 109.
-
(2003)
Abstracts of the 19th Annual Meeting of the International Society of Technology Assessment in Health Care
, pp. 109
-
-
Fusco, D.1
Fantini, M.P.2
Perucci, C.A.3
Cimaglia, C.4
|