Men (n=374) | Women (n=436) | |
---|---|---|
Radiographic HOA (≥1 joint(s)) | 33.7 (28.9 to 38.5) | 34.6 (30.2, 39.1) |
DIP (2nd–5th) OA | 16.0 (12.3 to 19.8) | 19.0 (15.4 to 22.7) |
PIP (2nd–5th) OA | 5.1 (2.9 to 7.3) | 4.8 (2.8 to 6.8) |
Thumb IP OA | 9.4 (6.4 to 12.3) | 8.7 (6.1 to 11.4) |
MCP (1st–5th) OA | 6.1 (3.7 to 8.6) | 1.4 (0.3 to 2.5) |
Thumb base OA | 17.4 (13.5 to 21.2) | 21.1 (17.3 to 24.9) |
Wrist OA | 1.6 (0.3 to 2.9) | 0.2 (0.0 to 0.7) |
Radiographic HOA (≥2 joints) | 25.1 (20.7 to 29.5) | 23.6 (19.6 to 27.6) |
Symptomatic HOA (≥1 joint(s)) | 4.0 (2.0 to 6.0) | 9.7 (6.9 to 12.4) |
Erosive HOA (≥1 joint(s)) | 0.0 (0.0 to 0.0) | 1.6 (0.4 to 2.8) |
Total KL score (all hand joints) | 2.3 (0, 0–4) | 2.8 (0, 0–4) |
HOA joints (KLG≥2) | 0.9 (0, 0–2) | 1.1 (0, 0–1) |
Erosive joints* | 1.7 (1, 1–2) | 2.2 (2, 1–3) |
Symptomatic HOA joints† | 2.1 (1, 1–2) | 2.7 (2, 1–3) |
Data presented as % (95% CI), except for total KL score and number of affected joints at follow-up presented as mean (median, interquartile range).
↵* In subjects with incident erosive HOA.
↵† In subjects with incident symptomatic HOA.
DIP, distal interphalangeal; HOA, hand osteoarthritis; IP, interphalangeal; KL, Kellgren and Lawrence; KLG, Kellgren–Lawrence grade; MCP, metacarpophalangeal; OA, osteoarthritis; PIP, proximal interphalangeal.