Table 3 Foot and ankle characteristics of participants with and without disabling foot pain (DFP) in PsA from podiatric clinical assessment
|  | Total n = 42 | with DFP n = 17 | without DFP n = 25 |
|---|---|---|---|
Past foot problems+ (n, %) | 31 (76) | 17 (100) | 14 (58) |
Current foot problems+ (n, %) | 20 (49) | 14 (82) | 6 (25) |
Previously been referred to and seen a podiatrist (n, %) | 3 (7) | 2 (12) | 1 (4) |
Current foot problem duration+ (> 1 year) | 9 (45) | 7 (58) | 2 (25) |
Location of foot problems+ (n, %) | Â | Â | Â |
Forefoot | 11 (55) | 8 (57) | 3 (50) |
Midfoot | 3 (15) | 3 (21) | 0 (0) |
Rearfoot | 10 (50) | 8 (57) | 2 (33) |
Foot pain levels+ (VAS 0–100 mm) (mean, SD) | 45 (24) | 49 (21) | 39 (29) |
Disease features in the foot (n, %) | Â | Â | Â |
Skin psoriasis on the foot | 10 (24) | 3 (18) | 7 (26) |
Psoriatic toenails | 12 (29) | 5 (29) | 7 (28) |
Dactylitis | 7 (17) | 5 (29) | 2 (8) |
IPJ arthritis | 10 (24) | 4 (24) | 6 (24) |
Tendinopathy | 7 (17) | 3 (18) | 4 (16) |
Enthesitis | 17 (41) | 11 (65) | 6 (24) |
 Achilles tendon | 6 (14) | 5 (29) | 1 (4) |
 Plantar fascia | 8 (19) | 5 (29) | 3 (12) |
 Tibialis Posterior* | 3 (7) | 2 (12) | 1 (4) |
 Peroneal* | 6 (14) | 3 (18) | 3 (12) |
Structural Index+ (median, IQR) | Â | Â | Â |
Forefoot | 2.0 (6.0) | 4.0 (6.0) | 1.0 (7.0) |
Rearfoot | 2.5 (5.0) | 3.0 (6.0) | 2.5 (6.0) |
Total | 7.0 (12.0) | 7.0 (13.0) | 5.5 (10.0) |