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Table 1 Baseline characteristics of hip fracture among young adults in Taiwan

From: Incidence and excess mortality of hip fracture in young adults: a nationwide population-based cohort study

   Total
N = 4,523
Male
N = 3,439
Female
N = 1,084
P a
Age, mean ± SD (years)   31.03 ± 5.93 31.19 ± 5.85 30.53 ± 6.17 <0.0001
Year, N (%) 2001 585 (12.93) 430 (12.50) 155 (14.30) 0.0344
  2002 553 (12.23) 415 (12.07) 138 (12.73)  
  2003 551 (12.18) 433 (12.59) 118 (10.89)  
  2004 589 (13.02) 456 (13.26) 133 (12.27)  
  2005 611 (13.51) 462 (13.43) 149 (13.75)  
  2006 563 (12.45) 438 (12.74) 125 (11.53)  
  2007 537 (11.87) 383 (11.14) 154 (14.21)  
  2008 534 (11.81) 422 (12.27) 112 (10.33)  
Hip fracture, N (%) Trochanteric 1931 (42.69) 1580 (45.94) 351 (32.38) <0.0001
  Cervical 2592 (57.31) 1859 (54.06) 733 (67.62)  
Operation, N (%) Internal fixation 4363 (96.46) 3313 (96.34) 1050 (96.86) 0.4125
  Hemiarthroplasty 160 (3.54) 126 (3.66) 34 (3.14)  
Charlson score, N (%) 0 4110 (90.87) 3103 (90.23) 1007 (92.9) 0.0267
  1 267 (5.90) 219 (6.37) 48 (4.43)  
  ≥2 146 (3.23) 117 (3.40) 29 (2.68)  
Any comorbidity, N (%)      
  Hypertension 116 (2.56) 102 (2.96) 14 (1.28) 0.0024
  Diabetes mellitus 102 (2.26) 85 (2.48) 17 (1.56) 0.0807
  Heart disease 50 (1.11) 38 (1.11) 12 (1.10) 0.9955
  Chronic pulmonary disease 58 (1.28) 47 (1.37) 11 (1.01) 0.3692
  Chronic liver disease 181 (4.00) 165 (4.81) 15 (1.37) <.0001
  Chronic renal disease 45 (1.00) 30 (0.88) 15 (1.37) 0.1390
  Cerebrovascular disease 44 (0.98) 34 (1.00) 10 (0.92) 0.0807
  Cancer 102 (2.26) 57 (1.65) 46 (4.22) <.0001
  1. aThe P value were calculated based on t test or Chi-squared test, which was used to assess the gender difference