Table 1 |
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| 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 onlya | 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 onlya | 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.
Olomu et al. BMC Health Services Research 2012 12:398 doi:10.1186/1472-6963-12-398
