-
1
-
-
34547983560
-
The pre-therapeutic classification of comorbidity in chronic disease
-
Feinstein AR. The pre-therapeutic classification of comorbidity in chronic disease. J Chronic Dis. 1970;23(7):455–468.
-
(1970)
J Chronic Dis
, vol.23
, Issue.7
, pp. 455-468
-
-
Feinstein, A.R.1
-
2
-
-
0037213222
-
Validation of the Charlson comorbidity index in patients with operated primary non-small cell lung cancer
-
Birim O, Maat AP, Kappetein AP, van Meerbeeck JP, Damhuis RA, Bogers AJ. Validation of the Charlson comorbidity index in patients with operated primary non-small cell lung cancer. Eur J Cardiothorac Surg. 2003;23(1):30–34.
-
(2003)
Eur J Cardiothorac Surg
, vol.23
, Issue.1
, pp. 30-34
-
-
Birim, O.1
Maat, A.P.2
Kappetein, A.P.3
Van Meerbeeck, J.P.4
Damhuis, R.A.5
Bogers, A.J.6
-
3
-
-
2442696436
-
Prognostic importance of comorbidity in a hospital-based cancer registry
-
Piccirillo JF, Tierney RM, Costas I, Grove L, Spitznagel EL Jr. Prognostic importance of comorbidity in a hospital-based cancer registry. JAMA. 2004;291(20):2441–2447.
-
(2004)
JAMA
, vol.291
, Issue.20
, pp. 2441-2447
-
-
Piccirillo, J.F.1
Tierney, R.M.2
Costas, I.3
Grove, L.4
Spitznagel, E.L.5
-
4
-
-
67349273961
-
The prognostic impact of comorbidities on renal cancer, 1995 to 2006: A Danish population based study
-
discussion 40
-
Lund L, Jacobsen J, Nørgaard M, et al. The prognostic impact of comorbidities on renal cancer, 1995 to 2006: a Danish population based study. J Urol. 2009;182(1):35–40; discussion 40.
-
(2009)
J Urol
, vol.182
, Issue.1
, pp. 35-40
-
-
Lund, L.1
Jacobsen, J.2
Nørgaard, M.3
-
5
-
-
64049113993
-
The impact of comorbidity on survival of Danish colorectal cancer patients from 1995 to 2006 – a population-based cohort study
-
Iversen LH, Nørgaard M, Jacobsen J, Laurberg S, Sørensen HT. The impact of comorbidity on survival of Danish colorectal cancer patients from 1995 to 2006 – a population-based cohort study. Dis Colon Rectum. 2009;52(1):71–78.
-
(2009)
Dis Colon Rectum
, vol.52
, Issue.1
, pp. 71-78
-
-
Iversen, L.H.1
Nørgaard, M.2
Jacobsen, J.3
Laurberg, S.4
Sørensen, H.T.5
-
6
-
-
0037367661
-
How to measure comorbidity: A critical review of available methods
-
Degroot V, Beckerman H, Lankhorst G, Bouter L. How to measure comorbidity: a critical review of available methods. J Clin Epidemiol. 2003;56(3):221–229.
-
(2003)
J Clin Epidemiol
, vol.56
, Issue.3
, pp. 221-229
-
-
Degroot, V.1
Beckerman, H.2
Lankhorst, G.3
Bouter, L.4
-
7
-
-
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(5):373–383.
-
(1987)
J Chronic Dis
, vol.40
, Issue.5
, pp. 373-383
-
-
Charlson, M.E.1
Pompei, P.2
Ales, K.L.3
Mackenzie, C.R.4
-
8
-
-
0031613172
-
Comorbidity measures for use with administrative data
-
Elixhauser A, Steiner C, Harris DR, Coffey RM. Comorbidity measures for use with administrative data. Med Care. 1998;36(1):8–27.
-
(1998)
Med Care
, vol.36
, Issue.1
, pp. 8-27
-
-
Elixhauser, A.1
Steiner, C.2
Harris, D.R.3
Coffey, R.M.4
-
9
-
-
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(6):613–619.
-
(1992)
J Clin Epidemiol
, vol.45
, Issue.6
, pp. 613-619
-
-
Deyo, R.A.1
Cherkin, D.C.2
Ciol, M.A.3
-
10
-
-
0027445675
-
Adapting a clinical comorbidity index for use with ICD-9-CM administrative data: Differing perspectives
-
discussion 1081–1090
-
Romano PS, Roos LL, Jollis JG. Adapting a clinical comorbidity index for use with ICD-9-CM administrative data: differing perspectives. J Clin Epidemiol. 1993;46(10):1075–1079; discussion 1081–1090.
-
(1993)
J Clin Epidemiol
, vol.46
, pp. 1075-1079
-
-
Romano, P.S.1
Roos, L.L.2
Jollis, J.G.3
-
11
-
-
79954586808
-
Updating and validating the Charlson comorbidity index and score for risk adjustment in hospital discharge abstracts using data from 6 countries
-
Quan H, Li B, Couris CM, et al. Updating and validating the Charlson comorbidity index and score for risk adjustment in hospital discharge abstracts using data from 6 countries. Am J Epidemiol. 2011;173(6): 676–682.
-
(2011)
Am J Epidemiol
, vol.173
, Issue.6
, pp. 676-682
-
-
Quan, H.1
Li, B.2
Couris, C.M.3
-
12
-
-
80055019696
-
Comorbidity scores for administrative data benefited from adaptation to local coding and diagnostic practices
-
Bottle A, Aylin P. Comorbidity scores for administrative data benefited from adaptation to local coding and diagnostic practices. J Clin Epidemiol. 2011;64(12):1426–1433.
-
(2011)
J Clin Epidemiol
, vol.64
, Issue.12
, pp. 1426-1433
-
-
Bottle, A.1
Aylin, P.2
-
13
-
-
84897559235
-
Cancer-specific administrative data-based comorbidity indices provided valid alternative to Charlson and National Cancer Institute Indices
-
Sarfati D, Gurney J, Stanley J, et al. Cancer-specific administrative data-based comorbidity indices provided valid alternative to Charlson and National Cancer Institute Indices. J Clin Epidemiol. 2014;67(5): 586–595.
-
(2014)
J Clin Epidemiol
, vol.67
, Issue.5
, pp. 586-595
-
-
Sarfati, D.1
Gurney, J.2
Stanley, J.3
-
14
-
-
27744568384
-
Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data
-
Quan H, Sundararajan V, Halfon P, et al. Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data. Med Care. 2005;43(11):1130–1139.
-
(2005)
Med Care
, vol.43
, Issue.11
, pp. 1130-1139
-
-
Quan, H.1
Sundararajan, V.2
Halfon, P.3
-
15
-
-
36248968660
-
Cross-national comparative performance of three versions of the ICD-10 Charlson index
-
Sundararajan V, Quan H, Halfon P, et al. Cross-national comparative performance of three versions of the ICD-10 Charlson index. Med Care. 2007;45(12):1210–1215.
-
(2007)
Med Care
, vol.45
, Issue.12
, pp. 1210-1215
-
-
Sundararajan, V.1
Quan, H.2
Halfon, P.3
-
16
-
-
84908279016
-
-
Available from, Accessed September 6
-
National Registry [homepage on the Internet]. Available from: http://www.skatteetaten.no/en/Person/National-Registry/?utm_source=1&utm_medium=flyttemelding&utm_campaign=folkeregisteret. Accessed September 6, 2014.
-
(2014)
National Registry [Homepage on the Internet]
-
-
-
17
-
-
0030191401
-
Regression coefficients and scoring rules
-
Harrell F. Regression coefficients and scoring rules. J Clin Epidemiol. 1996;49(7):819.
-
(1996)
J Clin Epidemiol
, vol.49
, Issue.7
, pp. 819
-
-
Harrell, F.1
-
20
-
-
0002297105
-
Conditional logit analysis of qualitative choice behavior
-
In: Zarembka P, editor, Amsterdam: Academic
-
McFadden D. Conditional logit analysis of qualitative choice behavior. In: Zarembka P, editor. Frontiers in Econometrics (Economic Theory and Mathematical Economics). Amsterdam: Academic; 1974: 105–142.
-
(1974)
Frontiers in Econometrics (Economic Theory and Mathematical Economics)
, pp. 105-142
-
-
McFadden, D.1
-
21
-
-
33847109797
-
Use and misuse of the receiver operating characteristic curve in risk prediction
-
Cook NR. Use and misuse of the receiver operating characteristic curve in risk prediction. Circulation. 2007;115(7):928–935.
-
(2007)
Circulation
, vol.115
, Issue.7
, pp. 928-935
-
-
Cook, N.R.1
-
22
-
-
79958122225
-
Comparing comorbidity measures for predicting mortality and hospitalization in three population-based cohorts
-
Quail JM, Lix LM, Osman BA, Teare GF. Comparing comorbidity measures for predicting mortality and hospitalization in three population-based cohorts. BMC Health Serv Res. 2011;11:146.
-
(2011)
BMC Health Serv Res
, vol.11
, pp. 146
-
-
Quail, J.M.1
Lix, L.M.2
Osman, B.A.3
Teare, G.F.4
-
23
-
-
0042858411
-
Improved comorbidity adjustment for predicting mortality in Medicare populations
-
Schneeweiss S, Wang PS, Avorn J, Glynn RJ. Improved comorbidity adjustment for predicting mortality in Medicare populations. Health Serv Res. 2003;38(4):1103–1120.
-
(2003)
Health Serv Res
, vol.38
, Issue.4
, pp. 1103-1120
-
-
Schneeweiss, S.1
Wang, P.S.2
Avorn, J.3
Glynn, R.J.4
-
25
-
-
38849091997
-
Evaluating the added predictive ability of a new marker: From area under the ROC curve to reclassification and beyond
-
discussion 207–112
-
Pencina MJ, D’Agostino RB Sr, D’Agostino RB Jr, Vasan RS. Evaluating the added predictive ability of a new marker: from area under the ROC curve to reclassification and beyond. Stat Med. 2008;27(2):157–172; discussion 207–112.
-
(2008)
Stat Med
, vol.27
, Issue.2
, pp. 157-172
-
-
Pencina, M.J.1
D’Agostino, R.B.2
D’Agostino, R.B.3
Vasan, R.S.4
-
26
-
-
78649477601
-
Extensions of net reclassification improvement calculations to measure usefulness of new biomarkers
-
Pencina MJ, D’Agostino RB Sr, Steyerberg EW. Extensions of net reclassification improvement calculations to measure usefulness of new biomarkers. Stat Med. 2011;30(1):11–21.
-
(2011)
Stat Med
, vol.30
, Issue.1
, pp. 11-21
-
-
Pencina, M.J.1
D’Agostino, R.B.2
Steyerberg, E.W.3
-
27
-
-
84908305588
-
-
Statistics Norway. Statistikkbanken. 2013. Available from, Accessed February
-
Statistics Norway. Statistikkbanken. 2013. Available from: http://www.ssb.no/statistikkbanken. Accessed February 10, 2014.
-
(2014)
, vol.10
-
-
-
28
-
-
84908308696
-
-
StataCorp. Stata Statistical Software: Release 13. College Station, TX: StataCorp
-
StataCorp. Stata Statistical Software: Release 13. College Station, TX: StataCorp; 2013.
-
(2013)
-
-
-
29
-
-
84872787473
-
Comparison of measures of comorbidity for predicting disability 12-months post-injury
-
Gabbe BJ, Harrison JE, Lyons RA, Edwards ER, Cameron PA. Comparison of measures of comorbidity for predicting disability 12-months post-injury. BMC Health Serv Res. 2013;13:30.
-
(2013)
BMC Health Serv Res
, vol.13
, pp. 30
-
-
Gabbe, B.J.1
Harrison, J.E.2
Lyons, R.A.3
Edwards, E.R.4
Cameron, P.A.5
-
30
-
-
84908266235
-
Evaluating comorbidity scores based on health service expenditures
-
Kilgore ML, Smith W, Curtis JR, et al. Evaluating comorbidity scores based on health service expenditures. Medicare Medicaid Res Rev. 2012;2:E1–E8.
-
(2012)
Medicare Medicaid Res Rev
, vol.2
, pp. 1-8
-
-
Kilgore, M.L.1
Smith, W.2
Curtis, J.R.3
-
31
-
-
84908268015
-
-
Trondheim, Norway: SINTEF2010Available from, Accessed Augus
-
SINTEF. Omfang og Utvikling av Det Selv-betalende Markedet for Private Spesialisthelsetjenester i Norge. Trondheim, Norway: SINTEF; 2010. Available from: http://www.sintef.no/upload/Helse/Rapport%20A15248%20Omfang%20og%20utvikling%20av%20det%20selv-betalende%20markedet.pdf. Accessed August 7, 2014.
-
(2014)
Omfang Og Utvikling Av Det Selv-Betalende Markedet for Private Spesialisthelsetjenester I Norge
, vol.7
-
-
-
32
-
-
84908296418
-
-
Norwegian Directory of Health. Samdata Spesialisthelsetjenesten 2012. Oslo: Norwegian Directory of Health; 2013. Available from: , Accessed August
-
Norwegian Directory of Health. Samdata Spesialisthelsetjenesten 2012. Oslo: Norwegian Directory of Health; 2013. Available from: http://helsedirektoratet.no/publikasjoner/samdata-2012/Sider/default.aspx. Accessed August 7, 2014.
-
(2014)
, vol.7
-
-
-
33
-
-
84908268848
-
-
Norwegian University of Science and Technology. Public Health Development: The HUNT Study. Levanger, Norway: HUNT Forskningssenter; 2011. Available from, Accessed February
-
Norwegian University of Science and Technology. Public Health Development: The HUNT Study. Levanger, Norway: HUNT Forskningssenter; 2011. Available from: http://www.ntnu.no/documents/10304/1130562/folkehelse-i-endring-huntrapport-2011.pdf. Accessed February 14, 2014.
-
(2014)
, vol.14
-
-
-
34
-
-
84908280525
-
-
Norwegian Institute of Public Health. [COPD: facts about chronic obstructive pulmonary disease]. 2013. Available from, Accessed February, Norwegian
-
Norwegian Institute of Public Health. [COPD: facts about chronic obstructive pulmonary disease]. 2013. Available from: http://www.fhi.no/artikler/?id=55604. Accessed February 14, 2014. Norwegian.
-
(2014)
, vol.14
-
-
-
35
-
-
77955528554
-
-
Cancer Registry of Norway. Cancer in Norway, Oslo: Cancer Registry of Norway; 2012
-
Cancer Registry of Norway. Cancer in Norway 2011: Cancer Incidence, Mortality, Survival and Prevalence in Norway. Oslo: Cancer Registry of Norway; 2012.
-
(2011)
Cancer Incidence, Mortality, Survival and Prevalence in Norway
-
-
-
36
-
-
84867683452
-
Comparison of data from the Norwegian Patient Register and the Cancer Registry of Norway
-
Bakken IJ, Gystad SO, Christensen OO, et al. Comparison of data from the Norwegian Patient Register and the Cancer Registry of Norway. Tidsskrift Nor Laegeforen. 2012;132(11):1336–1340.
-
(2012)
Tidsskrift Nor Laegeforen
, vol.132
, Issue.11
, pp. 1336-1340
-
-
Bakken, I.J.1
Gystad, S.O.2
Christensen, O.O.3
-
37
-
-
84908289820
-
-
[Activity data for the specialist health-services 2011]. Oslo: Norwegian Directorate of Health; 2011. Available from:, Accessed February 14, Norwegian
-
Norwegian Directorate of Health. [Activity data for the specialist health-services 2011]. Oslo: Norwegian Directorate of Health; 2011. Available from: http://www.helsedirektoratet.no/publikasjoner/aktivitetsdata-for-somatisk-spesialisthelsetjeneste-2011/Publikasjoner/rapport-somatikk-2011.pdf. Accessed February 14, 2014. Norwegian.
-
(2014)
-
-
Norwegian Directorate of Health1
-
38
-
-
33846021262
-
Enhancement of claims data to improve risk adjustment of hospital mortality
-
Pine M, Jordan HS, Elixhauser A, et al. Enhancement of claims data to improve risk adjustment of hospital mortality. JAMA. 2007;297(1): 71–76.
-
(2007)
JAMA
, vol.297
, Issue.1
, pp. 71-76
-
-
Pine, M.1
Jordan, H.S.2
Elixhauser, A.3
-
39
-
-
0035724831
-
Risk adjustment using administrative data: Impact of a diagnosis-type indicator
-
Ghali WA, Quan H, Brant R. Risk adjustment using administrative data: impact of a diagnosis-type indicator. J Gen Intern Med. 2001;16(8): 519–524.
-
(2001)
J Gen Intern Med
, vol.16
, Issue.8
, pp. 519-524
-
-
Ghali, W.A.1
Quan, H.2
Brant, R.3
|