Table 1.
Patient demographics and clinical characteristics
| UHMWPE sutures | UHMWPE suture tape | p value | |
|---|---|---|---|
| Number (knees) | 18 | 18 | |
| Sex (male/female) | 7/11 | 2/16 | 0.121 |
| Age (years) | 63.1 ± 13.4 | 65.3 ± 8.7 | 0.428 |
| Height (m) | 1.59 ± 0.1 | 1.57 ± 0.1 | 0.170 |
| Weight (kg) | 64.1 ± 15.1 | 60.5 ± 8.9 | 0.234 |
| Body mass index (kg/m2) | 25.2 ± 3.3 | 24.5 ± 3.6 | 0.498 |
| Duration from injury to operation (days) | 74.7 ± 72.8 | 75.2 ± 53.2 | 0.309 |
| Duration from primary surgery to second-look arthroscopy (days) | 385.4 ± 21.6 | 381.1 ± 25.4 | 0.594 |
| Femorotibial angle (°) | 177.3 ± 1.8 | 177.6 ± 1.8 | 0.752 |
| Root tear classification (type 1/2/3/4/5) [24] | 0/14/0/4/0 | 0/14/0/4/0 | 1.000 |
Values are presented as mean ± standard deviation or number
UHMWPE ultrahigh-molecular-weight polyethylene
The arthroscopic view of type 2 and 4 root tear [24] was shown in Fig. S1