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Table 2 Descriptive statistics of participants with or without hip fractures

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

Variable Total % Without hip fractures With hip fractures p -value
N % N %
Total 22,048 100.00 21,733 98.57 315 1.43  
BMI < 0.001
 BMI < 18.5 786 3.56 758 3.49 28 8.89
 18.5  BMI < 24 10,858 49.25 10,689 49.18 169 53.65
 24  BMI < 27 6474 29.36 6396 29.43 78 24.76
 27  BMI < 30 2742 12.44 2712 12.48 30 9.52
 30 1188 5.39 1178 5.42 10 3.17
Diabetes < 0.001
 No 18,540 84.09 18,308 84.24 232 73.65
 Yes 3508 15.91 3425 15.76 83 26.35
Sex 0.205
 Male 10,908 49.47 10,762 49.52 146 46.35
 Female 11,140 50.53 10,971 50.48 169 53.65
Age < 0.001
 40–49 9015 40.89 8993 41.38 22 6.98
 50–59 6347 28.79 6310 29.03 37 11.75
 60–69 3616 16.40 3547 16.32 69 21.90
 70–79 2274 10.31 2161 9.94 113 35.87
 80 796 3.61 722 3.32 74 23.49
Urbanization of residence area 0.099
 1 & 2 10,027 45.48 9903 45.57 124 39.37
 3 & 4 7234 32.81 7140 32.85 94 29.84
 5–7 4787 21.71 4690 21.58 97 30.79
Monthly salary (NTD) < 0.001
 17,280 2578 11.69 2489 11.45 89 28.25
 17,281-22,800 9925 45.02 9793 45.06 132 41.90
 22,801-36,300 5121 23.23 5069 23.32 52 16.52
 > 36,300 4424 20.07 4382 20.16 42 13.33
CCI < 0.001
 0 16,988 77.05 16,808 77.34 180 57.14
 1–3 4303 19.52 4197 19.32 105 33.33
 4 757 3.43 727 3.35 30 9.53
DCSI < 0.001
 0 20,784 94.27 20,504 94.35 280 88.89
 1 1264 5.73 1229 5.65 35 11.11
Weekly amount of calories burned in exercise 0.831
 No exercise 12,001 54.43 11,845 56.09 156 57.99
 < 500 kcal 3630 16.46 3585 16.98 45 16.73
 500 kcal 5755 26.10 5687 26.93 68 25.28
 Missing 662 3.00     
  1. BMI body mass index, CCI Charlson Comorbidity Index, DCSI diabetes complication severity index
  2. NTD New Taiwan Dollar; 32 NTD = 1 US dollar
  3. Urbanization of residence area (Level 1 was the most urbanized)
  4. p-value: log-rank test
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