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Table 5 The correlation between numbers of rib fracture and complication

From: The number of displaced rib fractures is more predictive for complications in chest trauma patients

  Patient with complication Patient without complication Sensitivity (95% CI ) Specificity (95% CI ) PPV (95% CI ) NPV (95% CI ) OR (95% CI)
Rib fx 2 102 49 94.5% (88–98%) 25.8% (16–38%) 67.6% (59–75%) 73.9% (52–90%) 5.90 (2.19–15.89%)
Rib fx3 90 27 83.3% (75–89%) 59.1% (46–71%) 76.9% (68–84%) 68.4% (55–80%) 7.22 (3.57–14.62%)
Rib fx4 75 16 69.4% (60–78%) 75.8% (64–85%) 82.4% (73–90%) 60.2% (49–71%) 7.10 (3.54–14.25%)
Rib fx5 51 4 47.2% (38–57%) 93.9% (85–98%) 92.7% (82–98%) 52.1% (43–61%) 13.87 (4.71–40.81%)
Total 108 66      
  1. CI confidence interval, PPV positive predictive value, NPV negative predictive value, OR odds ratio, fx fracture