Table 2.
Patient Demographics (Functional knee outcome cohort)
| Variable | Primary ACLR | Revision ACLR | Total* | |
|---|---|---|---|---|
| Sex, male/female, n (%) | 40/33 (54.7/44.3) | |||
| Injured side, right/left | 42/31 | |||
| Age at surgery, y ± SD | 21.6 ± 7.0 | 24.7 ± 7.3 | ||
| Cause | ||||
| Soccer | 33 (45.2) | 23 (31.5) | ||
| Alpine skiing | 12 (16.4) | 11 (15.0) | ||
| Floorball | 10 (13.7) | 9 (12.3) | ||
| Handball | 4 (5.5) | 3 (4.2) | ||
| Other sport | 10 (13.7) | 18 (24.7) | ||
| Other | 4 (5.5) | 9 (12.3) | ||
| Associated procedures, n (%) | ||||
| MM resection | 10 (13.5) | 5 (6.7) | 15 (20.2) | |
| LM resection | 8 (10.8) | 5 (6.7) | 13 (17.5) | |
| MM repair | 3 (4.0) | 3 (4.0) | 6 (8.0) | |
| LM repair | 2 (2.7) | 3 (4.0) | 5 (6.7) | |
| MM repair + LM resection | 3 (4.0) | 1 (1.3) | 4 (5.3) | |
| MM resection + LM resection | 1 (1.3) | 1 (1.3) | 2 (2.6) | |
| Chondral lesions, n (%) | 10 (13.5) | 14 (18.9) | 24 (32.4) | |
| Fixation methods, n (%) | ||||
| Femur | ||||
| Endobutton | 73 (100) | 40 (54.8) | ||
| Interference screw | / | 33 (45.2) | ||
| Tibia | ||||
| AO screw with washer | 67 (91.8) | / | ||
| Interference screw | 6 (8.2) | 73 (100) | ||
| Mean time intervals for primary and revision ACLR, months (range) | ||||
| From injury to primary ACLR | 5.9 (0.5–35.2) | |||
| From primary ACLR to ACL graft rupture | 29.9 (13.0–82.6) | |||
| From ACL graft rupture to revision ACLR | 8.2 (0.5–48.0) | |||
ACLR anterior cruciate ligament reconstruction, ACL anterior cruciate ligament, SD standard deviation, MM medial meniscus, LM lateral meniscus
*Total amount of meniscal procedures performed and chondral lesions found at primary and revision ACLR.