TABLE 1.
Demographic and Intraoperative Data of Bursal-Side and Undersurface Arthroscopic Rotator Cuff Repair Groupsa
| Variable | Bursal-Side Repair (n = 100) | Undersurface Repair (n = 165) | Bursal vs Undersurface | P Value |
|---|---|---|---|---|
| Sex, male:female, n | 47:53 | 88:77 | NS | .48b |
| Age at surgery, y, mean (range) | 58 (25-88) | 60 (18-87) | NS | .14b |
| Time from initial injury to repair, mo, mean ± SEM (range) | 19.03 ± 3.4 (0-192) | 15.25 ± 2.1 (0-152) | NS | .34c |
| Affected shoulder, left:right, n | 35:65 | 80:85 | NS | .08b |
| Diabetes, n | 7 | 15 | NS | .80b |
| Osteoarthritis, n | 9 | 35 | NS | .27b |
| Work-related injury, n | 26 | 43 | NS | >.99b |
| Tear size, mean ± SEM (range) | ||||
| Anterior-posterior, mm | 18 ± 1 (5-60) | 17 ± 1 (5-50) | NS | .23c |
| Medial-lateral, mm | 15 ± 1 (4-60) | 14 ± 1 (4-50) | NS | .91c |
| Area, mm2 | 339 ± 51 (25-3600) | 384 ± 22 (25-2000) | NS | .25c |
| Full-thickness tears, n | 54 | 104 | NS | .46b |
| Partial-thickness tears, n | 34 | 51 | NS | .46b |
| Anchors used, mean ± SEM (range) | 2.1 ± 0.1 (1-5) | 2.1 ± 0.1 (1-5) | NS | .36b |
| Operative time, min, mean ± SEM (range) | 32 ± 1.3 (6-60) | 20 ± 0.8 (4-50) | <.001 | <.001c |
aNS, not statistically significant; SEM, standard error of mean.
bChi-square test.
cUnpaired Student t test.