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Table 1 Characteristics of participants

From: The association between leptin, interleukin-6, and hip radiographic osteoarthritis in older people: a cross-sectional study

  Both sexes Males Females P
  n = 193 n = 100 n = 93  
Age, years 62.6 (7.1) 63.3 (7.2) 61.9 (6.9) 0.168a
Body mass index, kg/m2 27.6 (4.4) 27.2 (3.9) 28.0 (4.9) 0.230a
Total lean mass, kg 52.7 (10.8) 60.3 (9.1) 44.6 (5.1) <0.001 a
Total fat mass, % 33.7 (7.6) 27.5 (3.8) 40.3 (4.6) <0.001 a
Trunk fat mass, % 33.1 (7.6) 28.5 (5.5) 38.0 (6.3) <0.001 a
Waist/hip ratio, % 93.4 (8.1) 98.6 (5.4) 87.7 (6.6) <0.001 a
Ever smoked, % 51 62 40 0.002
Rheumatoid arthritis, % 11 8 14 0.183
Asthma, % 15 9 21 0.024
Cardiovascular diseases, % 4 7 1 0.039
Diabetes, % 6 3 9 0.093
Hip pain, % 54 63 45 0.013
Superior joint-space narrowing, % 41 38 45 0.286
Axial joint-space narrowing, % 30 22 40 0.008
Any joint-space narrowing, % 48 43 52 0.212
Any osteophytes, % 25 28 23 0.419
Leptin, pg/ml 13.0 (11.6) 6.6 (5.6) 19.8 (12.5) <0.001 a
IL-6, μg/L 3.5 (1.9) 3.5 (1.9) 3.4 (2.0) 0.672a
  1. Data shown are mean (SD), except for prevalence rates. aSignificance of sex difference by the Student t test, otherwise Mann-Whitney U test. IL-6, interleukin-6.