Table 1.

Demographic data and baseline clinical outcomes

Items	SCM group ($n=$ 44)	Control ggroup ($n=$ 44)	$P$ value
Age (years), mean (SD)	66.7 $\pm$ 6.1	68.1 $\pm$ 7.2	0.330
Gender (male), $N$ (%)	4 (9.1%)	6 (13.6%)	0.739
Educational level, $N$ (%)			0.590
Primary school	32 (72.7%)	27 (61.4%)
Junior high school	7 (15.9%)	8 (18.2%)
Senior high school	4 (9.1%)	6 (13.6%)
College	1 (2.3%)	3 (6.9%)
BMI (kg/m2), mean (SD)	26.04 $\pm$ 3.105	25.39 $\pm$ 3.068	0.320
Length of stay (days), mean (SD)	5.93 $\pm$ 2.731	5.50 $\pm$ 2.074	0.406
ADL, median (quartile)	65.00 (60.00, 73.75)	67.50 (61.25, 75.00)	0.644
HSS score, median (quartile)	67.00 (56.25, 68.00)	67.00 (60.00, 67.00)	0.689
Knee flexion (∘), median (quartile)	95.50 (87.50, 98.00)	95.00 (90.00, 97.88)	0.634