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Table 1 Patient characteristics

From: Influence of bisphosphonate therapy on bone geometry, volumetric bone density and bone strength of femoral shaft in postmenopausal women with rheumatoid arthritis

  BP-naïve group BP group  
  N Median Mean 95 %-CI of mean N Median Mean 95 %-CI of mean p-value
Age (years) 40 59.5 61.9 59.14-64.66 20 67.5 66.2 62.2-70.3 0.044
Height (cm) 39 163.0 164.0 161.7-166.3 20 160.5 160.7 157.3-164.1 0.159
Weight (kg) 38 70.0 71.61 67.2-76.0 20 69.5 68.6 63.3-74.2 0.584
Muscle area at 33 % of femur (mm2) 40 6392.4 6381.7 6055.5-6708.0 20 5291.2 5632.0 5094.2-6169.9 0.013
Age at menopause (yrs) 38 50.00 48.47 46.28-50.67 19 48.0 47.3 44.32-50.31 0.329
Time since menopause (yrs) 38 14.00 15.03 11.99-18.07 19 21.0 20.8 15.65-25.93 0.045
Duration of RA (yrs) 39 11.00 13.67 10.74-16.59 17 15.0 21.1 14.32-27.92 0.040