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Table 6 Prevalence Ratios estimating factors associated with injury severity (ISS>9) in a multivariate logistic regression model (N = 1,656), Japan, 2003

From: Clinical consequences of road traffic injuries among the elderly in Japan

Factors N PR adj. 95% CI
Gender     
   Females 744 1.00   
   Males 912 1.54 1.04 2.28
Age     
   18 - 64 1459 1.00   
   65 - 74 119 3.96 2.35 6.65
   75 - 78 2.44 1.32 4.51
Mechanism of Injury     
   Automobile 1067 1.00   
   Bicycle 182 4.36 2.52 7.55
   Motorcycle 263 2.69 1.65 4.40
   Pedestrian 111 3.57 3.11 4.02
   Others 33 1.70 0.52 5.40
Address     
   in Kurume 976 1.00   
   outside Kurume 680 2.83 1.90 4.19
Transfer     
   Walk-in 813 1.00   
   Ambulance 843 21.79 9.47 50.14
Weekend     
   Yes 585 1.00   
   No 1071 1.79 1.18 2.72
  1. PR adj: Adjusted Prevalence Ratios
  2. The area under ROC curve = 0.86
  3. P-value of the goodness of the fit = 0.925
  4. CI: Confidence Intervals