Table 1.
Demographics and clinical characteristics, n = 291
| Characteristics | Value |
|---|---|
| Sex, women, n (%) | 257 (88) |
| Age, years, median (IQR) | 61 (57–66) |
| BMI, kg/m2, mean (s.d.) | 26.4 (4.8) |
| Fulfil ACR criteria for hand OA, n (%) | 271 (93) |
| NRS hand paina (0–10), mean (s.d.) | 3.8 (2.3) |
| Radiographic severity (number of joints with KL ≥2) (0–32), median (IQR) | 9 (4–14) |
| KL hand sum score (0–128), median (IQR) | 28 (16–43) |
| Erosive OA, presence of erosive OA in at least one DIP/PIP joint, n (%) | 102 (35) |
| GS synovitis sum score (0–90), median (IQR) | 3 (1–7) |
| Power Doppler activity sum score (0–90), median (IQR) | 1 (0–4) |
| GS synovitis joint count (0–30), median (IQR) | 1 (0–2) |
| Power Doppler activity joint count (0–30), median (IQR) | 1 (0–3) |
| Symptom durationb, years, median (IQR) | 6 (3–13) |
| Comorbidity index (0–45), mean (s.d.) | 9 (4) |
| Knee and hip OA severity (0–12), median (IQR) | 2 (1–4) |
a
N = 290 (due to one participant missing the NRS hand pain question),
b
N = 269.
IQR: interquartile range; NRS: numerical rating scale; PPT: pressure pain threshold; KL: Kellgren–Lawrence grading; GS: greyscale.