Association between the three different definitions of radiographic hip osteoarthritis studied and clinical symptoms, stratified for sex (n = 3561)
| Hip pain | Morning stiffness | LLD⩾0.5 | LLD⩾1.0 | |||||
|---|---|---|---|---|---|---|---|---|
| Men | Women | Men | Women | Men | Women | Men | Women | |
| Associations are presented by odds ratios (95% confidence intervals in parentheses). | ||||||||
| LLD, lower limb disability index (a score of ⩾0.5 was defined as moderately disabled; a score of ⩾1.0 as severe disabled). Associations are adjusted for body mass index and radiographic osteoarthritis of the other hip. | ||||||||
| *Significant difference between men and women. | ||||||||
| Kellgren | ||||||||
| ⩾grade 2 | 1.6* | 3.5 | 1.1 | 1.3 | 1.5* | 3.3 | 1.0* | 4.6 |
| (0.8 to 3.2) | (2.3 to 5.2) | (0.7 to 1.7) | (0.9 to 1.9) | (0.8 to 3.0) | (2.2 to 4.9) | (0.3 to 2.7) | (2.9 to 7.3) | |
| ⩾grade 3 | 8.7 | 5.7 | 2.5 | 1.9 | 4.4 | 8.7 | 3.6 | 9.6 |
| (3.1 to 24.5) | (2.7 to 12.0) | (0.9 to 6.9) | (0.9 to 4.1) | (1.4 to 13.9) | (4.1 to 18.6) | (1.8 to 16.4) | (4.4 to 20.7) | |
| MJS | ||||||||
| ⩽2.5 mm | 2.7 | 2.3 | 1.6 | 1.5 | 2.5 | 2.7 | 1.2* | 3.8 |
| (1.5 to 5.0) | (1.5 to 3.4) | (1.0 to 2.5) | (1.1 to 2.2) | (1.4 to 4.6) | (1.9 to 4.0) | (0.4 to 3.2) | (2.4 to 5.8) | |
| ⩽2.0 mm | 4.4 | 4.4 | 1.6 | 1.7 | 2.2 | 4.4 | 1.6 | 5.1 |
| (1.9 to 10.0) | (2.6 to 7.5) | (0.8 to 3.3) | (1.0 to 2.9) | (0.8 to 5.8) | (2.6 to 7.4) | (0.4 to 6.6) | (2.8 to 9.2) | |
| ⩽1.5 mm | 6.6 | 6.6 | 1.9 | 2.1 | 3.0 | 6.5 | 3.7 | 7.1 |
| (2.2 to 19.4) | (3.1 to 14.0) | (0.7 to 5.1) | (1.0 to 4.4) | (0.9 to 10.9) | (3.1 to 13.9) | (0.8 to 16.8) | (3.2 to 15.7) | |
| Croft grade | ||||||||
| ⩾grade 3 | 1.3 | 1.5 | 0.8 | 0.9 | 0.8 | 1.2 | 0.8 | 1.4 |
| (0.9 to 2.0) | (1.1 to 2.0) | (0.7 to 1.1) | (0.8 to 1.1) | (0.5 to 1.3) | (0.9 to 1.6) | (0.4 to 1.4) | (1.0 to 2.0) | |
| ⩾grade 4 | 2.9 | 4.1 | 1.4 | 1.7 | 2.7 | 3.8 | 1.3* | 5.1 |
| (1.4 to 6.0) | (2.5 to 6.5) | (0.8 to 2.5) | (1.1 to 2.6) | (1.3 to 5.5) | (2.4 to 6.1) | (0.4 to 4.4) | (3.0 to 8.6) | |