Table 1.
Baseline patient characteristics of patients who received total joint replacement somewhere during follow-up and the patients who did not
| Total joint replacement | |||
|---|---|---|---|
| No n = 784 | Yes n = 84 | p-value | |
| Age (years) | 56 (5.3) | 58 (4.3) | 0.001 |
| Sex: | |||
| Male | 161 (21) | 18 (21) | |
| Female | 623 (80) | 66 (79) | |
| BMI | 26 (4.1) | 27 (4.6) | 0.4 |
| Comorbidities | 1.9 (1.5) | 1.7 (1.5) | 0.3 |
| Number of painful joints: | |||
| 1 | 230 (29) | 32 (38) | |
| 2 | 338 (43) | 32 (38) | |
| 3 | 114 (15) | 11 (13) | |
| 4 | 102 (13) | 9 (11) | 0.4 |
| Maximal Kellgren and Lawrence score: | |||
| 0 | 291 (37) | 11 (13) | |
| 1 | 493 (63) | 73 (87) | < 0.001 |
| WOMAC standardized subscales: | |||
| Pain | 24 (16) | 33 (19) | < 0.001 |
| Function | 22 (17) | 32 (17) | < 0.001 |
| Stiffness | 32 (21) | 38 (20) | < 0.01 |
WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index. Continuous variables are shown as mean (SD), categorical variables are shown as number (percentage)