Table 5.
Proportion of poor (< 27), fair (27–33), good (34–41), and excellent (≥ 41) OKS (Kalairajah et al. classification) in different age groups for TKR and UKR groups. Values are count (%)
| TKR (n = 19,358) |
UKR (n = 19,358) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Age group | Poor | Fair | Good | Excellent | Poor | Fair | Good | Excellent |
| Preoperative | ||||||||
| < 55 | 2,166 (84) | 304 (12) | 89 (4) | 10 (0) | 2,285 (83) | 385 (14) | 84 (3) | 9 (0) |
| 55–64 | 5,116 (78) | 1,128 (17) | 302 (5) | 35 (0) | 4,879 (78) | 1,058 (17) | 301 (5) | 18 (0) |
| 65–74 | 5,079 (69) | 1,692 (23) | 595 (8) | 49 (1) | 5,015 (70) | 1,667 (23) | 466 (6) | 34 (1) |
| ≥ 75 | 1,883 (67) | 656 (24) | 237 (8) | 17 (1) | 2,212 (70) | 710 (22) | 219 (7) | 16 (1) |
| Postoperative at 6 months | ||||||||
| < 55 | 648 (25) | 434 (17) | 751 (29) | 736 (29) | 614 (22) | 405 (15) | 772 (28) | 972 (35) |
| 55–64 | 1,216 (19) | 1,069 (16) | 2,104 (32) | 2,192 (33) | 957 (15) | 767 (12) | 1,744 (28) | 2,788 (45) |
| 65–74 | 882 (12) | 1,119 (15) | 2,394 (32) | 3,020 (41) | 643 (9) | 815 (11) | 1,960 (27) | 3,764 (53) |
| ≥ 75 | 369 (13) | 449 (16) | 951 (34) | 1,024 (37) | 324 (10) | 369 (12) | 966 (31) | 1,498 (47) |