Table 6

Labral degeneration mean differences of outcome measures from baseline to 2-year follow-up within and between operative and non-operative groups

Labral degeneration (n=71)
	Operative (n=27)						Non-operative (n=44)
	n	Baseline mean	2-year mean	Mean differ-ence	95% CI	Within group p value*	n	Baseline mean	2-year mean	Mean differ-ence	95% CIs	Within group p value*	Between group p value†
Pain VAS‡	18	44.06	10.11	−33.94	−20.13 to −47.76	<0.0001	28	43.91	33.75	−10.16	4.73 to −25.05	0.1729	0.0027
PCS‡	14	44.54	51.09	6.55	11.30 to 1.79	0.0108	24	41.90	43.04	1.14	4.68 to −2.39	0.5096	0.0012
MCS§	14	51.24	55.06	3.82	9.81 to −2.18	0.2349	24	51.33	53.55	2.22	5.90 to −1.46	0.1394	0.5065
ASES‡	14	50.79	86.50	35.71	50.22 to 21.21	0.0001	25	61.84	74.56	12.72	22.25 to 3.19	0.0110	0.0523
WORC‡	18	1083.06	326.00	−757.06	−512.10 to −1002.10	<0.0001	29	1008.14	702.55	−305.59	−63.00 to −548.20	0.0154	0.0102
SAT§	18	79.36	87.78	8.42	24.08 to −7.24	0.0798	21	77.40	85.90	8.50	20.14 to −3.14	0.0650	0.4425
SANE§	18	31.03	82.11	51.08	69.86 to 32.31	0.0002	28	33.38	59.79	26.41	39.56 to 13.26	0.0001	0.0186

*p values for mean difference from baseline to 2-year mean.
†p values for difference between 2-year operative mean and 2-year non-operative mean.
‡p values calculated using t-tests.
§p values calculated using Wilcoxon signed-rank tests.
ASES, American Shoulder and Elbow Surgeons; MCS, mental component summary; PCS, physical component summary; SANE, Single Assessment Numeric Evaluation; SAT, Scapular Assistance Test; VAS, Visual Analogue Scale; WORC, Western Ontario Rotator Cuff Index.