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Table 4 Side crash test ratings for passengers involved in same-side crashes, stratified by rear-seated mortality for vehicle models 1997 to 2012

From: Factors associated with mortality in rear-seated adult passengers involved in fatal motor vehicle crashes on US roadways

  Lived, n (%) Died, n (%) Total, n (%) Chi-square a
  325 (52.3) 296 (47.7) 621 (100) χ 2 ( p value)
Rating     5.8 (0.2159)
 Good 32 (9.9) 44 (14.9) 76 (12.2)  
 Acceptable 12 (3.7) 11 (3.7) 23 (3.7)  
 Marginal 7 (2.2) 6 (2.0) 13 (2.1)  
 Poor 27 (8.3) 33 (11.2) 60 (9.7)  
Total rated 78 (24.0) 94 (31.8) 172 (27.7)  
Unrated 247 (76.0) 202 (68.2) 449 (72.3)  
  1. aChi-square and p value expressed are for the relationship between rating (including unrated) and mortality. This includes all side crash test ratings (rollover and non-rollovers). Sensitivity analyses were performed with and without rollovers, but did not change the findings.