Table 2 Characteristics of participants with and without apprehension at 6 months
ACL-RSI ≥ 60 (n = 21) | ACL-RSI < 60 (n = 16) | |
|---|---|---|
Age (years), mean (SD) | 26.3 (9.3) | 28.2 (9.3) |
Females, n (%) | 5 (24) | 8 (50) |
Body mass indexa (kg/m2), mean (SD) | 24 (4.1) | 23.6 (3.2) |
Time elapsed between injury and surgeryb (weeks), mean (SD) | 15.5 (8.0–17.0) | 9.0 (7.5–19.0) |
Preoperative rehabilitation, n (%) | 16 (76) | 5 (31) |
Professional status, n (%) | ||
Professional athlete | 2 (9) | 1 (6) |
High school student | 4 (19) | 3 (19) |
Employed | 15 (71) | 11 (69) |
Unemployed | 0 (0) | 1 (6) |
Level of sportc, n (%) | ||
Professional | 2 (9) | 1 (6) |
Competition | 11 (52) | 7 (44) |
Leisure | 7 (33) | 8 (50) |
Surgery, n (%) | ||
Isolated anterior cruciate ligament reconstruction | 15 (71) | 11 (69) |
Partial meniscectomy | 5 (24) | 4 (25) |
Meniscal suture | 1 (0) | 0 (0) |
Surgical technique, n (%) | ||
Semitendinosus and gracilis construct | 12 (57) | 10 (62) |
DT4 | 6 (29) | 2 (12) |
Kenneth Jones | 2 (9) | 4 (25) |
Mac Intosh | 1 (5) | 0 (0) |
Lemaire | 4 (19) | 2 (12) |
Complications at 1 month after surgery | ||
Knee pain (yes), n (%) | 7 (33) | 7 (44) |
Knee effusion (yes), n (%) | 4 (19) | 8 (50) |
Amyotrophy (yes), n (%) | 15 (71) | 10 (62) |
Thigh amyotrophy (cm), mean (SD) | 2.9 (1) | 2.7 (1) |
Quadriceps strength deficit at 6 months after surgeryd, mean (SD) | ||
Isokinetic test at 90°.s−1 (%) | 19.6 (11) | 33.4 (23) |
Isokinetic test at 60°.s−1 (%)d | 19.0 (8) | 30.8 (21) |