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Table 3 Comparison of BMIs and BMDs during the study period in both groups and in between the two groups themselves

From: Osteoporosis development and vertebral fractures after abdominal irradiation in patients with gastric cancer

  Study group
Radiotherapy (+)
Control group
Radiotherapy (−)
p
BMI (kg/m2) - initial 23.52 ± 3.85 24.8 ± 4.33 0.29
BMI (kg/m2) - 1st year 22.1 ± 3.21 25.1 ± 4.74 0.005
P 0.001 0.33  
BMD Lomber Spine - initial 1078 ± 164 1152 ± 232 0.09
BMD Lomber Spine - 1st year 975 ± 208 1093 ± 211 0.02
p 0.001 0.007  
BMD Femoral Neck - initial 918 ± 155 987 ± 203 0.08
BMD Femoral Neck - 1st year 832 ± 166 935 ± 198 0.01
P 0.001 0.001  
  1. BMI Body mass index, BMD Bone mineral density (g/cm2)