Table 1:
Baseline Patient and Injury Data
| Age (Mean ± St Dev) | 22.7 ± 4.9 years |
| Sex | |
| Male | 210 (48.5%) |
| Female | 223 (51.5%) |
| Body Mass Index (Mean ± St Dev) | 25.5 ± 4.6 kg/m2 |
| Smoking Status | |
| Current | 26 (6.0%) |
| Quit | 40 (9.2%) |
| Never smoked | 366 (84.5 %) |
| Unknown | 1 (0.2%) |
| Years of Education (Mean ± St Dev) | 12.3 ± 3.2 |
| Marx activity level (Median and IQR) | 12 (8–16) |
| Medial meniscus | |
| Normal | 267 (61.7%) |
| Stable Untreated tear | 39 (9.0%) |
| Repair | 88 (20.3%) |
| Partial Meniscectomy | 39 (9.0%) |
| Lateral meniscus | |
| Normal | 198 (45.7%) |
| Stable Untreated tear | 66 (15.2%) |
| Repair | 32 (7.4%) |
| Partial Meniscectomy | 137 (31.6%) |
| Patellofemoral Compartment Cartilage | |
| Normal / Grade 1 | 416 (96.1%) |
| Grade 2, 3, or 4 | 17 (3.9%) |
| Lateral Compartment Cartilage | |
| Normal / Grade 1 | 381 (88.0%) |
| Grade 2, 3, or 4 | 52 (12.0%) |
| Medial Compartment Cartilage | |
| Normal / Grade 1 | 395 (91.2%) |
| Grade 2, 3, or 4 | 38 (8.8%) |
| Graft Type | |
| Patellar tendon autograft | 262 (60.5%) |
| Hamstring tendon autograft | 149 (34.4%) |
| Allograft | 22 (5.1%) |