Odds of developing rOA according to KL grade, gender and presence or absence of other joint complaints for an average subject with knee pain in the total eligible population
| Risk of rOA development | |||||
|---|---|---|---|---|---|
| Baseline variable | n | rOA by T1, % (95% CI) | rOA by T2, % (95% CI) | rOA at T1 or T2, % (95% CI) | No rOA T1 and T2, % (95% CI) |
| Risk total eligible population | 944 | 6.1 (4.3 to 8.2) | 9.9 (7.3 to 13.0) | 16.0 (12.5 to 20.1) | 84.0 (79.9 to 87.5) |
| KL grade 0 | 585 | 5.1 (3.5 to 7.0) | 8.4 (6.1 to 11.3) | 13.5 (10.2 to 17.4) | 86.5 (82.6 to 89.8) |
| KL grade 1 | 359 | 27.1 (20.9 to 33.8) | 25.1 (19.5 to 31.0) | 52.2 (44.3 to 60.0) | 47.8 (40.0 to 55.7)) |
| Male gender | 325 | 4.1 (2.3 to 6.4) | 7.0 (4.3 to 10.4) | 11.1 (6.9 to 16.3) | 88.9 (83.7 to 93.1) |
| Female gender | 619 | 7.6 (5.3 to 10.5) | 11.9 (8.6 to 15.6) | 19.5 (14.9 to 24.6) | 80.5 (75.4 to 85.1) |
| No general joint complaints | 176 | 4.4 (2.3 to 7.4) | 7.5 (4.3 to 11.7) | 11.9 (6.8 to 18.5) | 88.1 (81.5 to 93.2) |
| General joint complaints* | 768 | 7.1 (5.0 to 9.6) | 11.2 (8.2 to 14.7) | 18.3 (14.2 to 22.9) | 81.7 (77.1 to 85.8) |
Significant risk factors are printed in bold.
↵* Combined score of other joint complaints of pain in arm, neck, shoulder, elbow, low back, hip, knee and foot.
KL, Kellgren and Lawrence; rOA, radiological osteoarthritis.