Table 5B.

Final regression model for the association between the geriatric rehabilitation group’s total LOS (log-transformed), including all inpatient care 0–12 months, and the independent variable and covariates

	B*	95% CI	P values
Intercept	3.57	3.33 to 3.81	<0.001
Groups
UADL versus CADL	0.14	−0.13 to 0.42	0.31
Independence before stroke (Katz Extended Index of ADL) before stroke
Dependent in personal ADL or instrumental ADL versus independent in personal ADL and instrumental ADL	−0.11	−0.4 to 0.18	0.44
Dependent in personal ADL and instrumental ADL versus independent in personal ADL and instrumental ADL	−0.43	−0.88 to 0.004	0.047
Stroke severity†
Moderate versus mild	0.47	0.2 to 0.74	<0.001
Age‡	−0.01	−0.2 to 0.13	0.13
Age×stroke severity§	−0.02	−0.17 to 12	0.17

R²=0.22.

*Regression coefficient.

†Patients with mild stroke severity.

‡B at mean age.

§Patients with moderate severity, B=−0.02+(−0.01)=−0.03.

ADL, activities of daily living; CADL, client-centred activities of daily living; LOS, length of stay; UADL, usual ADL.