Do self-report and medical record comorbidity data predict longitudinal functional capacity and quality of life health outcomes similarly?

Table 1 Comparison of contributions of Katz (Self-Report) and Charlson (Medical-Record) comorbidity information to ASI (Functional-Capacity) scores

Outcome:3-Month ASI (N=438)	Model R-Squared	R-squared Change	F-Test/ F-change	Degrees of freedom	P-value
Model with covariates only^a	0.317	0.317	14.43	14/423	<0.0005
Covariate model +Katz	0.340	0.023	14.20	1/422	<0.0005
Covariate Model + Charlson	0.331	0.014	14.29	1/422	<0.0035
Outcome: 8-Month ASI (N=387)	Model R-Squared	R-squared Change	F-Test/ F-change	Degrees of freedom	P-value
Model with covariates only^a	0.334	0.334	13.31	14/372	<0.0005
Covariate model +Katz	0.358	0.025	14.22	1/371	<0.0005
Covariate Model + Charlson	0.370	0.036	21.15	1/371	<0.0005

a. covariates: age, gender, race, education, household income, marital status, depressive symptomatology (CESD), ejection fraction, invasive cardiac procedures.

ISSN: 1472-6963