Table 2. Volumes, excess volumes, and Q-DASH scores at prespecified time points.

	Before treatment	After treatment	2nd month control	Intra-group
	Mean±SD	Mean±SD	Mean±SD	p
Volumes (cm3)				0.000a
Group 1	3070±538	2795±468.9	2877±526.5	0.000b
Group 2	3139±715.1	2900±623.5	3056±712.3	0.103c
P value between groups	0.673	0.465	0.273	0.000d 0.096e 0.000f
Excess volume (%)				0.000a
Group 1	28±6.4	17.0±6.1	19.7±7.8	0.000b
Group 2	28.5±6.0	18.6±6.0	22.9±7.4	0.045c
P value between groups	0.748	0.301	0.110	0.000d 0.000e 0.001f
Q-DASH				0.391a
Group 1	48.0±21.7	43.4±20.6	39.9±18.9	0.030b
Group 2	45.5±19.5	43.5±23.4	40.3±21.7	0.472c
P value between groups	0.641	0.989	0.931	1d 0.289e 0.617f
SD: Standard deviation; Q-DASH: Quick-Disability-of-Arm-Shoulder-and-Hand Questionnaire; a: Before and after treatment for Group 1; b: Before treatment and control for Group 1; c: After treatment and control for Group 1; d: Before and after treatment for Group 2; e: Before treatment and control for Group 2; f: After treatment and control for Group 2