Table 3.
Variables | Type of PCL lesion | ||
---|---|---|---|
Isolated | Combined | p-value | |
Sex - no. (%) | |||
Male | 17 (100) | 31 (81.6) | 0.058 |
Female | 0 | 7 (18.4) | |
Age - yrs | 25.6 ± 8.4 | 27.9 ± 8.6 | 0.366 |
Duration of injury to surgery - months | |||
Median and IQR | 28.8 ± 50.6 | 27.4 ± 31.6 | 0.970 |
6 (3.75, 19) | 19 (6, 39) | ||
Follow-up - months | 37.7 ± 32.3 | 24.9 ± 10.9 | 0.032 |
Cause of trauma - no. (%) | |||
Traffic accident | 10 (58.8) | 29 (76.3) | 0.381 |
Sports related | 6 (35.3) | 7 (18.4) | |
Miscellaneous | 1 (5.9) | 2 (5.3) | |
Chief complaint - no. (%) | |||
Instability | 15 (88.2) | 32 (84.2) | 0.696 |
Pain | 2 (11.8) | 6 (15.8) | |
Injury side - no. (%) | |||
Right | 5 (29.4) | 19 (50) | 0.155 |
Left | 12 (70.6) | 19 (50) | |
Type of operation - no. (%) | |||
Single tibial - single femoral tunnel | 3 (17.6) | 16 (42.1) | 0.115 |
Single tibial - double femoral tunnel | 11 (64.7) | 20 (52.6) | |
Double tibial - double femoral tunnel | 3 (17.6) | 2 (5.3) | |
Meniscal injury - no. (%) | |||
Medial meniscus | 3 (17.6) | 2 (5.3) | 0.467 |
Lateral meniscus | 1 (5.9) | 4 (10.5) | |
Both | 1 (5.9) | 1 (2.6) | |
None | 12 (70.6) | 31 (81.6) | |
Chondral lesion - no. (%) | |||
Yes | 6 (35.3) | 11 (28.9) | 0.638 |
No | 11 (64.7) | 27 (71.1) | |
Type of graft - no. (%) | |||
Allograft | 10 (58.8) | 23 (60.5) | 0.905 |
Autograft | 7 (41.2) | 15 (39.5) | |
PDT | |||
Preoperative | 2.8 ± 0.4 | 3.1 ± 0.6 | 0.042 |
Postoperative | 0.2 ± 0.4 | 0.3 ± 0.4 | 0.830 |
Cincinnati knee score | |||
Preoperative | 42.0 ± 8.9 | 33.1 ± 11.4 | 0.006 |
Postoperative | 83.8 ± 10.5 | 77.5 ± 12.1 | 0.068 |
Full ROM - no. (%) | |||
Preoperative | 8 (47.1) | 8 (21.1) | 0.50 |
Postoperative | 16 (94.1) | 35 (92.1) | 0.791 |
Complications - no. (%) | |||
No | 16 (94.1) | 32 (84.2) | 0.587 |
Arthrofibrosis and motion stiffness | 0 | 3 (7.9) | |
Deep vein thrombosis | 0 | 1 (2.6) | |
Infection | 1 (5.9) | 2 (5.3) |
Abbreviations: PCL posterior cruciate ligament, PDT posterior drawer test, ROM range of motion, IQR interquartile range
aAll plus-minus values are means and standard deviations unless stated otherwise. Values have been rounded