Table 3.

The mean Goutallier scores by Walch classification subtypes

	Infraspinatus		Teres minor		Subscapularis		Axial-plane imbalancea
	Mean difference (95% CI)	p value	Mean difference (95% CI)	p value	Mean difference (95% CI)	p value	Mean difference (95% CI)	p value
A1:A2	0.4 (0.1-0.6)	0.002	0.3 (0.1-0.6)	0.01	0.4 (0.1-0.6)	0.003	0.0 (-0.2 to 0.2)	0.90
B2:A1	0.9 (0.7-1.2)	< 0.001	0.7 (0.4-1.0)	< 0.001	0.4 (0.1-0.7)	0.004	0.4 (0.2-0.6)	< 0.001
B2:A2	0.5 (0.3-0.8)	< 0.001	0.4 (0.1-0.6)	0.01	0.0 (-0.2 to 0.3)	0.87	0.4 (0.2-0.6)	< 0.001
B2:B1	0.7 (0.4-1.0)	< 0.001	0.7 (0.3-1.0)	< 0.001	0.2 (-0.1 to 0.6)	0.15	0.4 (0.2-0.7)	0.001
B2:B3	0.2 (-0.1 to 0.5)	0.15	0.3 (-0.1 to 0.6)	0.08	0.2 (-0.1 to 0.5)	0.12	0.1 (-0.2 to 0.9)	0.90
B3:A1	1.1 (0.9-1.4)	< 0.001	1.0 (0.7-1.2)	< 0.001	0.6 (0.4-0.9)	< 0.001	0.5 (0.2-0.6)	< 0.001
B3:A2	0.7 (0.5-1.0)	< 0.001	0.7 (0.4-0.9)	< 0.001	0.2 (-0.1 to 0.5)	0.07	0.5 (0.2-0.6)	< 0.001
B3:B1	0.9 (0.6, 1.2)	< 0.001	1.0 (0.6-1.3)	< 0.001	0.4 (0.1-0.8)	0.006	0.5 (0.2-0.7)	< 0.001

^aComparison of differences in Goutallier scores between the posterior rotator cuff muscles (infraspinatus and teres minor) and anterior rotator cuff muscles (subscapularis).