Table 4.

Multivariate linear regression (forced entry method) with FIM gain and FIM effectiveness as the dependent variables.

	FIM gain (total scores)			FIM effectiveness (total scores)
	β	p-value	VIF	β	p-value	VIF
Age	−0.26	**	1.44	−0.22	**	1.44
Sex
Male	Reference	―	―	Reference	―	―
Female	0.02	0.63	1.12	0.03	0.41	1.12
Type of stroke
Cerebral infarction	Reference	―	―	Reference	―	―
Cerebral hemorrhage	−0.02	0.77	1.76	−0.02	0.71	1.76
Stroke treatment
Conservative treatment	Reference	―	―	Reference	―	―
Surgical treatment	−0.06	0.23	1.31	−0.03	0.46	1.31
Endovascular treatment	0.00	0.97	1.13	0.01	0.67	1.13
Lesion location
Other	Reference	―	―	Reference	―	―
Basal ganglia and internal capsule	−0.11	0.08	2.05	−0.10	*	2.05
Thalamus	−0.05	0.38	1.97	−0.04	0.42	1.97
Corona radiata	−0.03	0.60	1.89	−0.05	0.24	1.89
Brainstem	0.02	0.72	1.75	0.00	1.00	1.75
Cerebellum	0.01	0.85	1.27	−0.01	0.76	1.27
Combined lesions	−0.04	0.55	1.86	−0.05	0.31	1.86
Time to rehabilitation after admission	−0.10	*	1.35	−0.03	0.42	1.35
History of orthopedic disease	0.06	0.22	1.11	0.05	0.17	1.11
History of cardiovascular disease	0.03	0.56	1.17	0.01	0.86	1.17
History of hypertension	0.01	0.77	1.15	0.00	0.95	1.15
History of diabetes mellitus	0.05	0.32	1.22	0.01	0.74	1.22
CCI	0.03	0.59	1.47	0.05	0.22	1.47
Aphasia	−0.05	0.26	1.25	−0.03	0.46	1.25
Unilateral spatial neglect	−0.04	0.44	1.30	−0.03	0.49	1.30
Premorbid mRS	−0.13	**	1.29	−0.14	**	1.29
BRS (lower limb)	0.63	**	2.01	0.38	**	2.01
FIM total score (admission)	−0.57	**	2.22	0.31	**	2.22
Total rehabilitation time	0.29	**	1.20	0.22	**	1.20

Model FIM gain: R = 0.706; R² = 0.499; adjusted R = 0.457, Model FIM effectiveness: R = 0.834; R² = 0.695; adjusted R = 0.669, **p < 0.01; *p < 0.05

FIM, Functional Independence Measure; VIF, variance inflation factor; LOS, length of stay; CCI, Charlson Comorbidity Index; mRS, modified Rankin Scale; BRS, Brunnstrom Recovery Stage.