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Table 2 Annual incidence, mortality and SMR 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

  Incidence (95 % CI)a Mortality (95 % CI) b SMR(95 % CI)c
Overall Male Female Overall Male Female Overall Male Female
2001 7.68(7.06–8.30) 11.09(10.04–12.13) 4.15(3.49–4.80) 1.37(0.43–2.31) 1.86(0.58–3.14) 0.00(0.00–0.00) 9.06(8.82–9.30) 10.32(10.02–10.62) 0.00(0.00–0.00)
2002 7.25(6.65–7.86) 10.70(9.67–11.73) 3.69(3.07–4.30) 1.45(0.45–2.44) 1.93(0.60–3.25) 0.00(0.00–0.00) 9.82(9.56–10.08) 11.04(10.72–11.36) 0.00(0.00–0.00)
2003 7.24(6.64–7.85) 11.19(10.14–12.24) 3.16(2.59–3.73) 1.81(0.70–2.93) 1.85(0.58–3.12) 1.69(0.00–4.02) 11.42(11.14–11.70) 10.07(9.77–10.37) 24.67(23.77–25.57)
2004 7.77(7.15–8.40) 11.84(10.75–12.92) 3.57(2.96–4.18) 1.19(0.31–2.06) 1.32(0.27–2.36) 0.75(0.00–2.22) 7.27(7.05–7.49) 6.86(6.62–7.10) 11.42(10.85–11.99)
2005 8.10(7.46–8.75) 12.06(10.96–13.16) 4.02(3.37–4.66) 1.31(0.41–2.21) 1.30(0.27–2.33) 1.34(0.00–3.19) 8.39(8.16–8.62) 7.00(6.76–7.24) 20.83(20.10–21.56)
2006 7.52(6.90–8.15) 11.54(10.46–12.62) 3.39(2.80–3.99) 0.89(0.11–1.66) 0.68(0.00–1.46) 1.60(0.00–3.80) 5.73(5.53–5.93) 3.78(3.60–3.96) 25.66(24.77–26.55)
2007 7.23(6.62–7.84) 10.18(9.16–11.20) 4.20(3.54–4.87) 1.12(0.23–2.01) 1.31(0.17–2.44) 0.65(0.00–1.92) 8.19(7.95–8.43) 7.78(7.50–8.06) 11.03(10.51–11.55)
2008 7.23(6.61–7.84) 11.29(10.21–12.37) 3.07(2.50–3.63) 0.94(0.12–1.75) 0.95(0.02–1.87) 0.89(0.00–2.64) 6.71(6.49–6.93) 5.89(5.66–6.12) 15.04(14.32–15.76)
P d 0.6519 0.9885 0.5415 0.0464 0.0094 0.2806 0.0781 0.0241 0.2043
  1. aIncidence = the number of new cases/the population total in the middle of the calendar year * 100,000
  2. bMortality = the number of deaths/the number of new cases in the calendar year * 100
  3. cAnnual SMRs were calculated from the date of first diagnosis of hip fracture in that calendar year to one year later
  4. dThe P value were calculated based on t test, which was used to assess the trend of the rates/ratios increased/decreased with the calender years