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. 2019 Dec 20;1(3-4):100018. doi: 10.1016/j.ocarto.2019.100018

Table 1.

Demographic information about the study population.

Persons with OA Persons without OA p-value
Sex, n (%) women 16 (69.6) 16 (69.6) 1.0
Age, mean (SD) 58.0 (7.0) 57.7 (7.3) 0.97
BMI, mean (SD) 27.6 (3.6) 27.1 (3.6) 0.91
Fulfil ACR criteria, n (%)
 Hip 3 (13.0) 0 (0) 0.23
 Knee 19 (82.6) 0 (0) <0.001
 Hand 11 (47.8) 0 (0) <0.001
K-L sum scores (median, range)
 Hip 1 (0–3) 0 (0) 0.49
 Knee 2 (0–4) 0 (0) <0.001
 Hand NA 1 (0–2) NA

BMI – body mass index, ACR – American College of Rheumatology clinical evaluation, K-L – Kellgren-Lawrence radiologic evaluation, OA – osteoarthritis, NA – not assessed.