Sex: male, n (%) | 185/279 (66.3) | 166/274 (60.6) | 351/553 (63.5) |
|
Ethnicity: white, n (%) | 269/272 (98.9) | 266/270 (98.5) | 535/542 (98.7) |
|
Employed: yes, n (%) | 231/256 (90.2) | 221/253 (87.4) | 452/509 (88.8) |
|
Age, years |
n | 279 | 274 | 553 |
Mean (SD) | 40.2 (10.1) | 39.2 (10.5) | 39.7 (10.3) |
|
Diagnostic categorya |
Meniscal injury, n (%) | 224 (80.3) | 210 (76.6) | 434 (78.5) |
Ligamentous injury, n (%) | 87 (31.2) | 82 (29.9) | 169 (30.6) |
Other diagnosis, n (%) | 5 (1.8) | 9 (3.3) | 14 (2.5) |
|
KQoL-26 (0–100, 100 = best health) |
Physical functioning |
n | 276 | 274 | 550 |
Mean (SD) | 59.6 (19.1) | 58.5(18.9) | 59.1(19.0) |
Activity limitations |
n | 276 | 273 | 549 |
Mean (SD) | 52.1 (25.6) | 49.7 (24.8) | 50.9 (25.2) |
Emotional functioning |
n | 277 | 274 | 551 |
Mean (SD) | 43.3 (21.7) | 40.4 (22.7) | 41.9 (22.2) |
|
SF-36 (0–100, 100 = best health)b |
Physical functioning |
n | 275 | 274 | 549 |
Mean (SD) | 55.4 (23.7) | 54.5 (23.9) | 54.9 (23.8) |
Social functioning |
n | 273 | 274 | 547 |
Mean (SD) | 66.5 (26.3) | 54.46 (23.9) | 64.94 (26.3) |
Role physical |
n | 275 | 271 | 546 |
Mean (SD) | 52.6 (29.5) | 63.33 (26.3) | 51.84 (29.7) |
Role mental functioning |
n | 275 | 272 | 547 |
Mean (SD) | 75.61 (28.5) | 74.20 (26.3) | 74.91 (27.4) |
Mental health |
n | 277 | 274 | 551 |
Mean (SD) | 68.82 (18.2) | 67.63 (19.8) | 68.23 (19.0) |
Vitality |
n | 277 | 274 | 551 |
Mean (SD) | 51.68 (19.7) | 48.69 (20.4) | 50.19 (20.1) |
Pain |
n | 270 | 270 | 540 |
Mean (SD) | 45.50 (23.6) | 43.55 (22.1) | 44.52 (22.9) |
General health |
n | 275 | 273 | 548 |
Mean (SD) | 71.02 (19.3) | 69.36 (19.7) | 70.19 (19.5) |
|
EQ-5D (0–1, 1 = best health) |
n | 276 | 272 | 548 |
Mean (SD) | 0.6 (0.3) | 0.6 (0.2) | 0.6 (0.3) |
|
Days off work in last 4 weeks due to knee problem |
n | 163 | 170 | 333 |
Median (interquartile range) | 1 (0–6) | 0 (0–4.25) | 0 (0–5) |
|
Days prevented from doing normal activities in last 4 weeks |
n | 230 | 211 | 441 |
Median (interquartile range) | 7.5 (2–15.3) | 8 (2–20) | 8 (2–16) |