|
Variable
|
Group T (n = 19)
|
Group D (n = 23)
|
p value
|
|---|
|
Tear size
|
|
ML, mm
|
22.2 ± 6.6
|
24.4 ± 8.3
|
0.361a
|
|
AP, mm
|
22.0 ± 10.5
|
24.2 ± 9.7
|
0.245a
|
|
Medium
|
13 (68.4)
|
14 (60.9)
| |
|
Large
|
6 (31.6)
|
9 (39.1)
|
0.611b
|
|
Rotator cuff tendon status
|
|
Good
|
13 (68.4)
|
0 (0.0)
| |
|
Moderate
|
6 (31.6)
|
15 (65.2)
| |
|
Poor
|
0 (0.0)
|
8 (34.8)
|
< 0.001b
|
|
Displacement, mm
|
21.7 ± 7.0
|
24.4 ± 8.3
|
0.273a
|
|
Tension, N
|
11.6 ± 5.3
|
23.6 ± 8.2
|
< 0.001a
|
|
Stiffness, N/mm
|
0.56 ± 0.31
|
1.09 ± 0.67
|
< 0.001a
|
|
LHB absent
|
0 (0.0)
|
3 (13.0)
|
0.102b
|
|
LHB dislocation or subluxation
|
7 (36.8)
|
1 (4.4)
|
0.014b
|
|
LHB tear
|
|
Normal
|
7 (36.8)
|
11 (47.8)
| |
|
< 50%
|
9 (47.4)
|
8 (34.8)
| |
|
≥ 50%
|
3 (15.8)
|
4 (17.4)
|
0.699b
|
|
Subscapularis tendon tear
|
12 (63.2)
|
12 (52.2)
|
0.474b
|
|
Copeland–Levy classification
|
|
Grade 0
|
4 (21.1)
|
0 (0.0)
| |
|
Grade 1
|
11 (57.9)
|
4 (17.4)
| |
|
Grade 2
|
4 (21.1)
|
13 (56.5)
| |
|
Grade 3
|
0 (0.0)
|
6 (26.1)
|
< 0.001b
|
- Data are presented as mean ± standard deviation or n (%)
- Group T, traumatic rotator cuff tears; Group D, degenerative rotator cuff tears; ML, medial-to-lateral; AP, anterior-to-posterior; LHB, long head of the biceps
- aMann–Whitney U-test
- bChi square test
