Table 2.

Multiple Linear Regression Analysis of Factors Associated with Total FIM Score at Discharge in All Patients.

Variable	B	SE	95% CI	p Value
Age, years	−0.12	0.09	−0.29 to 0.06	0.193
Sex: female	0.90	2.08	−3.20 to 4.99	0.667
BMI, kg/m2	0.45	0.27	−0.08 to 0.97	0.094
Charlson Comorbidity Index	−0.36	0.70	−1.74 to 1.02	0.611
Stroke type: hemorrhagic stroke	−2.25	2.45	−7.07 to 2.58	0.360
Pre-stroke mRS: 3-4	−9.84	2.72	−15.20 to −4.49	<0.001
NIHSS at admission	−0.48	0.15	−0.77 to −0.20	0.001
Serum albumin at admission, g/dL	1.94	2.00	−1.99 to 5.87	0.332
Admission motor FIM score	0.55	0.07	0.42 to 0.68	<0.001
Admission cognitive FIM score	1.58	0.14	1.30 to 1.86	<0.001
Pre-admission polypharmacy	−4.70	2.22	−9.07 to −0.33	0.035

Multivariable linear regression analysis was performed with total FIM score at discharge as the dependent variable. All variables were entered simultaneously using the forced-entry method. B indicates the unstandardized regression coefficient. Pre-admission polypharmacy was defined as the use of five or more regular pre-admission medications. The reference categories were male sex, ischemic stroke, pre-stroke mRS 0-2, and non-polypharmacy.

BMI: body mass index; CI: confidence interval; FIM: Functional Independence Measure; mRS: modified Rankin Scale; NIHSS: National Institutes of Health Stroke Scale; SE: standard error.