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Table 6 The correlation between the number of displaced rib fractures 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 )
Displaced rib fx 1 134 40 88.0% (80–93%) 40.9% (29–54%) 70.9% (62–78%) 67.5% (51–81%) 5.06 (2.37–10.81%)
Displaced Rib fx2 74 19 68.5% (59–77%) 71.3% (59–82%) 79.6% (70–87%) 58% (47–69%) 5.38 (2.76–10.52%)
Displaced Rib fx3 57 3 52.8% (43–62%) 95.5% (87–99%) 95% (86–99%) 55.3% (46–65%) 23.47 (6.94–79.36%)
Displaced Rib fx4 36 1 33.3% (25–43%) 98.5% (92–100%) 97.3% (86–100%) 47.5% (39–56%) 32.50 (4.33–243.80%)
Displaced Rib fx5 21 0 19.4% (12–28%) 100% (95–100%) 100% (84–100%) 43.1% (35–51%) 32.68 (1.94–549.35%)
Total 108 66      
  1. CI confidence interval, PPV positive predictive value, NPV negative predictive value, OR odds ratio, fx fracture