TABLE 1.
Demographic Data and Preoperative Outcome Scores for Study Cohortsa
| Variable | Patients Aged 20-30 Years (n = 52) | Patients Aged 50-75 Years (n = 33) | P |
|---|---|---|---|
| Age, yb | 24.9 | 57.7 | <.001 |
| Sex, n | .074 | ||
| Male | 33 | 14 | |
| Female | 19 | 19 | |
| Body mass indexb | 25.0 | 24.4 | .591 |
| Timing of surgery, n | .653 | ||
| Acute | 30 | 21 | |
| Chronic | 22 | 12 | |
| Follow-up time, yb | 3.4 (2-5.6) | 3.1 (2-5.8) | .250 |
| Chondral defect, n (%) | .340c | ||
| Grade 1 | 48 (84) | 20 (53) | |
| Grade 2 | 2 (4) | 6 (18) | |
| Grade 3 | 6 (10) | 6 (18) | |
| Grade 4 | 1 (2) | 4 (11) | |
| Meniscus treatment, n | .093d | ||
| Meniscal repair | 30 | 16 | |
| Partial meniscectomy | 12 | 15 | |
| Subsequent arthrofibrosis surgery, n (%) | 7 (13) | 4 (12) | .99 |
| Concomitant ligament reconstruction, n | |||
| ACL | 32 | 21 | .999 |
| ACL/FCL | 14 | 7 | .796 |
| ACL/MCL | 6 | 5 | .741 |
| ACLR graft type, n | .120 | ||
| BPTB allograft | 19 | 18 | |
| BPTB autograft | 33 | 15 | |
| ACLR graft retear, n | 0 | 0 | >.999 |
| Preoperative outcome scoreb | |||
| SF-12 PCS | 36.1 | 41.4 | .025 |
| SF-12 MCS | 51.1 | 52.4 | .622 |
| WOMAC total | 41.7 | 42.2 | .933 |
| Lysholm score | 45.1 | 49.6 | .468 |
| IKDC | 78.1 | 77.0 | .702 |
| Tegner activity scale | 2.7 | 2.8 | .903 |
aACL, anterior cruciate ligament; ACLR, anterior cruciate ligament reconstruction; FCL, fibular collateral ligament; IKDC, International Knee Documentation Committee; MCL, medial collateral ligament; MCS, mental health component summary; PCS, physical component summary; SF-12, Short Form–12; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.
bReported as mean values.
cRepresents the P value for the comparison between the numbers of Outerbridge 3-4 lesions in both cohorts.
dRepresents the P value for the comparison between the rate of meniscal repair versus meniscectomy between the 2 cohorts.