Table 2.
Characteristics of study participants (N = 82)
| Patient characteristics | Categories | All, N = 82 | RTW > 79 days (N = 41) | RTW ≤ 78 days (N = 41) | Missing |
|---|---|---|---|---|---|
| Gender (n, %) | Male | 43 (52) | 21 (51) | 22 (54) | 0 |
| Female | 39 (48) | 20 (49) | 19 (46) | ||
| Age (n, %) | >27 | 52 (63) | 27 (66) | 25 (61) | 0 |
| ≤27 | 30 (37) | 14 (34) | 16 (39) | ||
| BMI (n, %) | >24 | 42 (51) | 21 (51) | 21 (51) | 0 |
| ≤24 | 40 (49) | 20 (49) | 20 (49) | ||
| IKDCa | – | 81 (65–88) | 64 (54–76) | 78 (64–87) | 14 |
| EQ-5Da | – | 0.8 (0.8–1) | 0.8 (0.8–1) | 1 (0.8–1) | 0 |
| Injury-related characteristics | |||||
| Side (n, %) | Left | 37 (45) | 21 (51) | 16 (39) | 0 |
| Right | 45 (55) | 20 (49) | 25 (61) | ||
| Knee extension (n, %) | Not full | 3 (4) | 3 (7) | 0 (0) | 3 |
| Full | 76 (96) | 38 (93) | 38 (100) | ||
| Time injury to surgery (n, %) | >3 months | 70 (85) | 37 (90) | 33 (80) | 0 |
| ≤3 months | 12 (15) | 4 (10) | 8 (20) | ||
| Tegner score before injurya | – | 8.5 (7–9) | 7 (5.5–9) | 7 (7–9) | 35 |
| Tegner score after injury before surgerya | – | 4 (3–4) | 3 (2–4) | 3 (2–4) | 34 |
| Contact during trauma (n, %) | Physical contact | 19 (23) | 11 (27) | 8 (19) | 0 |
| No contact | 63 (77) | 30 (73) | 33 (81) | ||
| Characteristics of surgery | |||||
| Medial menisectomy (n, %) | Menisectomy | 13 (17) | 7 (17) | 6 (17) | 6 |
| Non-menisectomy | 63 (83) | 33 (83) | 30 (83) | ||
| Lateral menisectomy (n, %) | Menisectomy | 9 (12) | 4 (10) | 5 (14) | 6 |
| Non-menisectomy | 67 (88) | 36 (90) | 31 (86) | ||
| Cartilage damage (n, %) | Grade 3,4 | 10 (13) | 6 (15) | 4 (11) | 5 |
| Grade 0, 1, 2 | 67 (87) | 34 (85) | 33 (89) | ||
| Sports activity level | |||||
| Knee-taxing sport pre trauma (n, %) | Knee-taxing | 65 (79) | 32 (78) | 33 (80) | 0 |
| Not knee-taxing | 17 (21) | 9 (22) | 8 (20) | ||
| Contact sport pre trauma (n, %) | Contact sports | 49 (60) | 23 (56) | 26 (63) | 0 |
| Non-contact sports | 33 (40) | 18 (44) | 15 (37) | ||
| Pivoting sport pre trauma (n, %) | Pivoting | 62 (76) | 29 (71) | 33 (80) | 0 |
| Non-pivoting | 20 (24) | 12 (29) | 8 (20) | ||
| Tegner score before injurya | – | 8.5 (7–9) | 7 (5.5–9) | 7 (7–9) | 35 |
| Tegner score after injury before surgerya | – | 4 (3-4) | 3 (2–4) | 3 (2–4) | 34 |
| Contact during trauma (n, %) | Physical contact | 19 (23) | 11 (27) | 8 (19) | 0 |
| No contact | 63 (77) | 30 (73) | 33 (81) | ||
| Work-related characteristics | |||||
| Workload (n, %) | Heavy | 38 (46) | 26 (63) | 12 (29) | 0 |
| Light | 44 (54) | 15 (37) | 29 (71) | ||
| WORQ experiencea | – | 88 (77–95) | 90 (79–96) | 88 (77–94) | 3 |
| Characteristics of rehabilitation | |||||
| Physiotherapy up to 6 weeks (n, %) | ≤2 | 66 (80) | 33 (80) | 33 (80) | 0 |
| >2 | 16 (20) | 8 (20) | 8 (20) | ||
| Physiotherapy 6 weeks up to 3 months (n, %) | ≤2 | 65 (82) | 33 (80) | 32 (84) | 3 |
| >2 | 14 (18) | 8 (20) | 6 (16) | ||
| Gym (n, %) | No gym | 44 (54) | 22 (54) | 22 (55) | 1 |
| Gym | 39 (46) | 19 (46) | 18 (45) | ||
| Homework exercises (n, %) | No homework exercise | 7 (8) | 3 (7) | 4 (10) | 0 |
| Homework exercise | 75 (92) | 38 (93) | 37 (90) | ||
| Weeks using crutchesa | – | 4 (2–6) | 5 (4–7) | 4 (3–6) | 3 |
aMedian (interquartile range)