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Table 4 Stratified analysis of the relative risk of hip fracture between diabetes and non-diabetes patients in terms of BMI

From: Associations of body mass index and diabetes with hip fracture risk: a nationwide cohort study

Variables Diabetes patients Non-diabetes patients Adj. HR (diabetes vs. non-diabetic) 95% CI p -value
N Hip fractures N Hip fractures (N) (%)
   (N) (%)   (N) (%)  
Sum 3508 83 2.37 18,540 232 1.25 1.64 1.30 2.15 < 0.001
BMI
 BMI < 18.5 75 6 8.00 711 22 3.09 2.47 0.90 6.74 0.079
 18.5  BMI < 24 1277 46 3.60 9581 123 1.28 2.13 1.48 3.06 < 0.001
 24  BMI < 27 1116 17 1.52 5358 61 1.14 1.01 0.57 1.75 0.996
 27  BMI < 30 644 9 1.40 2098 21 1.00 1.24 0.54 2.86 0.618
 BMI  30 396 5 1.26 792 5 0.63 2.37 0.57 9.84 0.236
  1. Note: Cox proportional hazards model was used and controlled for sex, age, urbanization of residence area, monthly salary, CCI, DCSI and weekly energy expenditure through exercise
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