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Table 3 Diagnostic ability of “5A” model for in-hospital mortality in validation cohort

From: The development and validation of a “5A” severity scale for predicting in-hospital mortality after accidental hypothermia from J-point registry data

Cutoff Specificity 95%CI Sensitivity 95%CI LR+ 95%CI LR− 95%CI
8 0.99 (0.97–1.00) 0.09 (0.02–0.16) NA NA NA NA
7 0.98 (0.96–1.00) 0.21 (0.11–0.31) 9.44 (3.22–27.65) 0.81 (0.71–0.92)
6 0.91 (0.87–0.95) 0.30 (0.19–0.41) 3.37 (1.86–6.10) 0.77 (0.65–0.90)
5 0.78 (0.72–0.84) 0.56 (0.44–0.68) 2.56 (1.80–3.63) 0.56 (0.42–0.75)
4 0.54 (0.47–0.62) 0.79 (0.69–0.89) 1.73 (1.41–2.12) 0.39 (0.24–0.63)
3 0.33 (0.26–0.39) 0.89 (0.82–0.97) 1.33 (1.16–1.51) 0.33 (0.16–0.68)
2 0.16 (0.10–0.21) 0.97 (0.93–1.0) 1.15 (1.07–1.24) 0.19 (0.05–0.79)
1 0.06 (0.02–0.09) 0.98 (0.96–1.0) NA NA NA NA
  1. Sp specificity, Se sensitivity, LR+ positive likelihood ratio, LR− negative likelihood ratio, CI confidence interval