Characteristics of all Clinical Practice Research Datalink-recorded patients with total knee replacement by prior diagnosis of ACL and meniscal injury
| Previous ACL injury | No previous ACL injury | Previous meniscal injury | No previous meniscal injury | |
| Total (n) | 153 | 49 570 | 4217 | 45 506 |
| Mean age in years (SD) | 57.25 (11.35) | 70.38 (9.43) | 65.08 (9.31) | 70.83 (9.33) |
| Gender, female:male | 42:111 | 28 498:21 072 | 1577:2640 | 26 962:18 544 |
| Mean body mass index (SD) | 28.04 (3.95) | 28.69 (4.93) | 28.13 (4.45) | 28.74 (4.97) |
| Meniscal injury, n (%) | 39 (25.49) | 4178 (8.43) | – | – |
| Fractures around the knee, n (%) | 0 (0) | 32 (0.06) | 3 (0.07) | 29 (0.06) |