TABLE 2.
Baseline Characteristics of Patients Undergoing PCL Reconstruction by Activity at Time of Injurya
| Sports Injury (n1 = 137) | Other Activity (n2 = 110) | |
|---|---|---|
| Age at surgery, y, median (range) | 35 (14 to 67) | 33 (14 to 65) |
| Time from injury to surgery, mo, median (range) | 24 (0 to 228) | 24 (0 to 240) |
| Sex: female, percentage (95% CI) | 48 (40.8 to 55.2)b | 33 (26.1 to 39.9) |
| Concomitant, percentage (95% CI) | ||
| Ligament injuryc | ||
| Isolated PCL injury | 31 (24.3 to 37.7) | 35 (28.0 to 42.0) |
| Multiligament injury | 69 (62.3 to 75.6) | 65 (58.0 to 72.0) |
| Meniscal lesion | 22 (16.0 to 28.0) | 27 (20.5 to 33.5) |
| Cartilage lesion | 37 (30.0 to 44.0) | 37 (30.0 to 44.0) |
| Other injuryd | 3 (2.6 to 9.4) | 9 (4.8 to 13.2) |
| PCL graft, percentage (95% CI) | ||
| Hamstrings | 69 (62.3 to 75.6) | 68 (61.2 to 74.8) |
| Other | 25 (18.8 to 31.2) | 30 (23.3 to 36.7) |
| Unknown | 6 (2.6 to 9.4) | 2 (–0.1 to 4.1) |
| n3 | n4 | |
| KOOS, preoperative, mean (95% CI) | ||
| Pain (n3 = 129, n4 = 116) | 62.9 (59.2 to 66.6) | 60.4 (56.6 to 64.2) |
| Symptoms (n3 = 132, n4 = 117) | 67.2 (64.1 to 70.3) | 65.7 (62.5 to 68.9) |
| ADL (n3 = 129, n4 = 113) | 69.1 (65.1 to 73.1) | 66.1 (62.1 to 70.1) |
| Sport/Recreation (n3 = 130, n4 = 112) | 27.4 (22.8 to 32.0) | 26.2 (21.5 to 30.9) |
| QoL (n3 = 130, n4 = 115) | 29.4 (25.8 to 33.0) | 27.5 (24.1 to 30.9) |
aADL, Activities of Daily Living; KOOS, Knee injury and Osteoarthritis Outcome Score; PCL, posterior cruciate ligament; QoL, Quality of Life.
bStatistically significant higher number of females in the sport group, P < .05.
cAnterior cruciate ligament, medial collateral ligament, lateral collateral ligament, posterolateral corner.
dNeural injury, arterial injury, fracture, tendon rupture.