Table 4.

Changes in the mean MBI and FIM total scores by time period for moderate and severe groups.

		Time (I)	Time (J)	MD (J-I)	SE	p Value	95% CI
Moderate group (n = 673)	MBI	Discharge	3 months	13.214 *	0.812	0.000 *	11.6202–14.808
		3 months	6 months	1.571 *	0.405	0.000 *	0.776–2.365
		6 months	12 months	1.630 *	0.440	0.000 *	0.766–2.494
		12 months	18 months	0.308	0.367	0.402	0.413–1.028
		18 months	24 months	−0.579	0.386	0.134	−1.338–0.179
	FIM	Discharge	3 months	12.535 *	0.817	0.000 *	10.930–14.140
		3 months	6 months	2.108 *	0.435	0.000 *	1.255–2.962
		6 months	12 months	1.533 *	0.450	0.001 *	0.649–2.418
		12 months	18 months	0.447	0.381	0.241	−0.300–1.195
		18 months	24 months	−0.214	0.374	0.568	−0.949–0.521
Severe group (n = 125)	MBI	Discharge	3 months	10.296 *	1.467	0.000 *	7.393–13.199
		3 months	6 months	2.896 *	1.351	0.034 *	0.221–5.571
		6 months	12 months	1.328	1.106	0.232	−0.861–3.517
		12 months	18 months	1.688	1.067	0.116	−0.423–3.799
		18 months	24 months	−1.856	1.135	0.105	−4.103–0.391
	FIM	Discharge	3 months	7.792 *	1.461	0.000 *	4.900–10.684
		3 months	6 months	3.080 *	1.276	0.017 *	0.555–5.605
		6 months	12 months	1.896	1.080	0.082	−0.241–4.033
		12 months	18 months	2.176 *	1.006	0.032 *	0.185–4.167
		18 months	24 months	−2.600 *	0.900	0.005 *	−4.381–−0.819

* p < 0.05. MD—mean difference, SE—standard error, CI—confidence interval, MBI—modified Barthel Index, FIM—Functional Independence Measure.