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Table 3 comparison between patients according to WHO classification of osteoporosis.

From: Risk factors of osteoporosis in healthy Moroccan men

  No N = 227 Ope N = 313 OP N = 52 p
Age: mean (SD), years 39.1 (14.2) 53.7 (15.6) 65.7 (13.0) <0.0001
Weight: mean (SD), kgs 77.6 (12.1) 72.3 (12.0) 64.7 (11.3) <0.0001
BMI: mean (SD), kg/m2 25.5 (4.0) 24.9 (3.8) 23.2 (3.8) 0.001
History of traumatic fractures, n (%) 27 (11.9) 45 (14.4) 12 (23.1) NS
Current smoking, n (%) 31 (13.7) 64 (20.4) 11 (21.2) NS
High coffee consumption, n (%) 82 (36.1) 92 (29.4) 17 (32.7) NS
Low calcium intake, n (%) 78 (34.4) 193 (61.7) 39 (75.0) <0.0001
Low physical activity, n (%) 84 (37.0) 203 (64.9) 43 (82.7) <0.0001
  1. Comparison used analysis of variance (ANOVA) for quantitative variables and chi-square test for qualitative variables.
  2. BMI: body mass index; Ope: osteopenia; OP: osteoporosis.