Table 4.

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

Labral tear (n=52)
	Operative (n=28)						Non-operative (n=24)
	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	50.81	7.72	−43.08	−31.71 to −54.45	<0.0001	20	41.10	33.10	−8.00	4.89 to −20.89	0.2094	0.0014
PCS‡	15	38.30	49.10	10.81	14.16 to 7.45	<0.0001	17	37.31	44.20	6.89	12.37 to 1.42	0.0167	0.0726
MCS§	15	50.82	54.01	3.19	10.02 to −3.65	0.1876	17	50.69	52.80	2.11	5.97 to −1.75	0.4586	0.7659
ASES‡	18	57.78	93.17	35.39	45.24 to 25.54	<0.0001	16	61.56	68.94	7.38	14.21 to 0.54	0.0363	0.0002
WORC‡	19	1139.74	248.00	−891.74	−701.00 to −1082.50	<0.0001	17	1003.76	726.00	−277.76	−21.81 to −533.70	0.0352	0.0027
SAT§	16	80.03	91.44	11.41	23.47 to −0.66	0.0305	17	66.68	73.94	7.27	20.70 to −6.17	0.2490	0.0670
SANE§	18	28.58	83.67	55.08	64.43 to 45.73	<0.0001	20	39.75	55.30	15.55	27.69 to 3.41	0.0319	0.0012

*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.