Table 4.

Mean and Quartile Within-Groups in the CRT Group and NMT Group

Measures Median(Q1,Q3)	Within-Group Change Score from Baseline
	NMT		CRT
	Difference	P	Difference	P
SAS scores	1(−6.8,5.8)	0.919	0(−4,3.5)	0.919
PSQI scores	0(−6.3,1.3)	0.538	1(−0.8,4.3)	0.232
HSS scores	5.5(2,9.5)	0.009**	3(−2.5,9.3)	0.154
Pain scores for VAS	−1(−2.3,−1)	0.008**	−1(−2,-0.8)	0.013*
Barthel scores	30(17.5,38.8)	0.008**	25(18.8,36.3)	0.006**

Notes: *p < 0.05 compared with baseline using the Wilcoxon signed-rank test. **p < 0.01 compared with baseline using the Wilcoxon signed-rank test.

Abbreviations: NMT group, novel muscle training device group; CRT group, conventional rehabilitation training group; HSS score, Hospital for Special Surgery knee score; Pain scores for VAS, Pain scores for the Visual Analogue Scale; SAS, Zung self-rating anxiety scale; PSQI, Pittsburgh sleep quality index; Barthel scores, Barthel Index score.