Table 4.

Function

	IIb sparing		Full dissection		Mann–Whitney U test	p value
	n	Mean ± SD	n	Mean ± SD
Shoulder abduction
Preop	12	160.54 ± 5.14	20	162.10 ± 5.17	86.500	0.330
1 month	12	146.36 ± 14.05	20	132.90 ± 12.08	54.000	0.020
3 months	2	151.54 ± 10.51	19	139.57 ± 10.68	32.500	0.009
6 months	9	155.86 ± 3.84	16	146.62 ± 9.08	20.000	0.016
12 months	7	156.66 ± 4.16	8	152.37 ± 6.75	7.000	0.304
18 months	3	157 ± 0.00	1	160 ± 0.00
Shoulder flexion
Preop	12	139.18 ± 4.46	20	140.30 ± 3.59	94.000	0.504
1 month	12	133.45 ± 6.45	20	130.85 ± 6.06	76.500	0.162
3 months	2	133.33 ± 5.56	19	132.94 ± 4.39	75.500	0.621
6 months	9	136.71 ± 4.49	16	134.87 ± 3.63	41.500	0.328
12 months	7	135.66 ± 3.21	8	134.87 ± 4.54	10.500	0.756
18 months	3	140 ± 0.00	1	132 ± 0.00

Data in bold are significant P values