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Table 2 Demographic Data

From: Osteoarthritis of the knee or hip significantly impairs driving ability (cross-sectional survey)

Variable Overall statistical significance Control group Study group
   (n = 21) OA left knee OA right knee OA left hip OA right hip
   (n = 15) (n = 18) (n = 20) (n = 19)
Age* [yr] p = 0.368 n.s. 68 (50-84) 74 (55-86) 68 (36-76) 68 (43-78) 69 (49-79)
Female [n] p = 0.894 n.s. 10 9 11 12 10
Male [n] 11 6 7 8 9
Body weight* [kg] p = 0.260 n.s. 82 (56-98) 82 (65-103) 91 (50-165) 86 (67-113) 79 (51-100)
Body height* [m] p = 0.041 1.75 (1.58-1.90) 1.67 (1.50-1.76) 1.69 (1.60-1.88) 1.73 (1.60-1.88) 1.68 (1.53-1.92)
BMI [kg/m2] p = 0.013 26.4 (21-29) 29.4 (25-39) 30.3 (18-50) 26.7 (24-39) 27.8 (20-33)
  1. *The values are given as the median (min - max). Demographic characteristics were compared with the use of Kruskal-Wallis test or chi-squared test (gender). A p-value in bold type denotes a significant difference. n.s. = not significant.