Table 2.

Primary outcome analysis of SST.

	DR group (n = 55)	CR group (n = 53)	p valuea	Time×group interactionb
SST				0.123
Baseline	0.42 ± 0.88	0.62 ± 0.86	0.224
6 weeks	2.33 ± 2.20	2.60 ± 2.58	0.550
12 weeks	6.65 ± 2.57	5.66 ± 2.84	0.059
24 weeks	8.93 ± 2.68	8.68 ± 3.16	0.661
Δbaseline-6weeks	1.76 ± 2.32	1.46 ± 2.20	0.541
Δbaseline-12weeks	6.24 ± 2.63	5.04 ± 2.86	0.025
Δbaseline-24weeks	8.66 ± 2.90	7.80 ± 3.14	0.226

SST Simple Shoulder Test.

^aResults of independent t-test between group comparison.

^bResults of repeated measures ANOVA for group by time effect.