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Table 3 One- to ten-year follow-up mortality rates and SMRs of hip fracture stratified by gender and age among young adults in Taiwan

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

    Mortality(%)b SMR
   Na 1-year 2-year 3-year 5-year 10-year 1-year 2-year 3-year 5-year 10-year
Total             
  Total 4,523 1.28 2.44 3.54 5.32 10.50 8.33 7.59 7.28 6.39 5.82
  Male 3,439 1.45 2.69 3.98 6.13 12.02 7.82 6.91 6.83 6.13 5.54
  Female 1,084 0.74 1.65 2.13 2.69 5.32 12.90 13.57 11.24 8.66 8.20
20–24 years             
  Total 961 0.21 0.62 1.05 1.63 2.32 2.75 4.17 4.30 3.49 3.42
  Male 687 0.14 0.58 1.03 1.83 2.09 0.00 2.46 2.81 2.61 2.29
  Female 274 0.36 0.73 1.09 1.09 2.96 18.05 13.69 12.67 8.52 9.95
25–29 years             
  Total 959 0.93 1.24 1.93 3.51 9.27 7.66 5.27 5.60 6.09 5.26
  Male 723 1.10 1.24 2.14 3.89 10.27 7.53 4.31 5.19 5.62 4.95
  Female 236 0.42 1.26 1.26 2.33 5.96 8.68 13.00 8.93 9.89 7.79
30–34 years             
  Total 1,075 1.48 2.96 4.05 5.58 11.86 10.15 9.54 8.33 6.94 6.35
  Male 846 1.53 3.29 4.41 5.93 13.05 9.17 9.16 8.02 6.58 5.98
  Female 229 1.31 1.75 2.67 4.30 4.30 20.32 13.50 11.62 10.73 10.16
35–39 years             
  Total 1,528 2.02 3.97 5.76 8.56 15.53 8.84 8.07 7.90 6.80 6.22
  Male 1,183 2.35 4.37 6.51 10.13 18.29 8.80 7.46 7.53 6.74 6.13
  Female 345 0.86 2.59 3.18 3.18 6.17 9.26 13.77 11.42 7.39 6.94
  1. aThe N represents the number of young adults with hip fracture enrollerd initially in the study
  2. bThe follow-up mortality rates were estimated using Kaplan–Meier (KM) method