Table 1.
Study Population Characteristics (N = 631) a
| Factors | Isolated PCLR (n = 185) | Multiligament Reconstruction (n = 446) | P |
|---|---|---|---|
| Age, y, median (IQR) | 28 (18) | 39 (22) | <.001 b |
| Age group, n (%) | <.001 | ||
| 0-19 y | 40 (21.6) | 31 (7.0) | |
| 20-29 y | 64 (34.6) | 112 (25.1) | |
| 30-44 y | 59 (31.9) | 151 (33.9) | |
| ≥45 y | 22 (11.9) | 152 (34.1) | |
| Male patients, % | 59.5 | 64.1 | .270 |
| Activity at the time of injury, n (%) | <.001 | ||
| Pivoting sports | 56 (30.3) | 52 (11.7) | |
| Skiing | 16 (8.6) | 151 (33.9) | |
| Other sports | 5 (2.7) | 14 (3.1) | |
| Other | 108 (58.4) | 229 (51.3) | |
| Concomitant ligament injuries not reconstructed, n | |||
| ACL | — | 2 | |
| MCL | — | 44 | |
| LCL | — | 14 | |
| PLC | — | 21 | |
| Graft choice for PCLR, n (%) | <.001 | ||
| BPTB | 13 (7.0) | 14 (3.1) | |
| Hamstring | 121 (65.4) | 195 (43.7) | |
| Allograft | 44 (23.8) | 151 (33.9) | |
| Other/unknown | 7 (3.8) | 86 (19.3) | |
| Graft choice for ACLR (n = 349), n (%) | |||
| BPTB | — | 237 (67.9) | |
| Hamstring | — | 68 (19.5) | |
| Allograft | — | 35 (10.0) | |
| Other/unknown | — | 9 (2.6) | |
| Cartilage injury, n (%) c | .055 | ||
| No reported injury | 133 (71.9) | 283 (63.6) | |
| ICRS 1-2 | 26 (14.1) | 99 (22.2) | |
| ICRS 3-4 | 26 (14.1) | 63 (14.2) | |
| Meniscal injury, n (%) | <.001 | ||
| No injury reported | 157 (84.9) | 311 (69.7) | |
| Meniscal injury | 28 (15.1) | 135 (30.3) | |
| Treatment for meniscal injury, n | |||
| No treatment | 4 | 17 | |
| Partial resection | 7 | 35 | |
| Total resection | 0 | 1 | |
| Resection not specified | 5 | 26 | |
| Suture | 11 | 49 | |
| Transplant | 0 | 1 | |
| Unknown | 1 | 6 | |
| Body mass index, mean ± SD d | 26.2 ± 4.4 | 27.6 ± 4.6 | .008 |
| Time to surgery from injury, mo, median (IQR) e | 19.4 (36.2) | 5.9 (13.1) | <.001 |
| Surgical time, min, median (IQR) f | 90 (45) | 163 (82) | <.001 |
| Follow-up time, y, median (IQR) | 7.3 (9.3) | 7.9 (8.6) | .349 |
| Patients at risk, n (%) | |||
| 2-year follow-up | 157 (84.9) | 391 (87.7) | |
| 5-year follow-up | 125 (67.6) | 307 (68.8) |
Boldface indicates statistical significance. Dashes indicate not applicable. ACL, anterior cruciate ligament; ACLR, anterior cruciate ligament reconstruction; BPTB, bone–patellar tendon–bone autograft; ICRS, International Cartilage Regeneration & Joint Preservation Society; LCL, lateral collateral ligament; MCL, medial collateral ligament; PCLR, posterior cruciate ligament reconstruction; PLC, posterolateral corner.
Independent-samples median test (nonparametric).
Missing ICRS classification in 1 patient having multiligament reconstruction.
Available data on 461 patients (73.1%); isolated PCLR, n = 146 (78.9%); multiligament reconstruction, n = 315 (70.6%).
Available data on 612 patients (97.0%), independent-samples median test (nonparametric).
Available data on 626 patients (99.2%), independent-samples median test (nonparametric).