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Table 2 Characteristics of the study participants*

From: Macrophage migration inhibitory factor may play a protective role in osteoarthritis

  Control (n = 113) OA (n = 119) RA (n = 16) p value
OA vs. control RA vs. control OA vs. RA
Age (years) 58.08 ± 6.60 65.51 ± 8.90 59.34 ± 10.21 1.94 × 10−11 0.202 0.051
Sex (% of females) 61.95% 47.06% 81.25% 0.023 0.131 0.010
BMI (kg/m2) 30.02 ± 4.91 32.11 ± 6.26 28.75 ± 6.76 0.036 0.129 0.023
  1. BMI body mass index, OA osteoarthritis, RA rheumatoid arthritis
  2. *Values are the mean ± SD unless indicated otherwise. P values were obtained by the Mann-Whitney U test or chi-squared test wherever appropriate