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Table 3 Performance of the predictive model for discomfort and tolerance at different cut-off points

From: A self-assessment tool for predicting discomfort and tolerance in Chinese patients undergoing esophagogastroduodenoscopy

Cut-off risk % predicted case Sensitivity Specificity LR +  LR- PV +  PV-
Discomfort
 0.2 0.71 0.86 0.35 1.34 0.38 0.38 0.85
 0.3 0.50 0.72 0.60 1.82 0.46 0.45 0.83
 0.4 0.28 0.51 0.83 3.01 0.59 0.58 0.79
 0.5 0.16 0.37 0.93 5.23 0.68 0.70 0.77
 0.6 0.19 0.30 0.86 2.05 0.82 0.47 0.73
Tolerance
 0.2 0.55 0.85 0.55 1.88 0.28 0.38 0.92
 0.3 0.27 0.57 0.83 3.30 0.52 0.52 0.86
 0.4 0.22 0.50 0.88 4.05 0.57 0.57 0.84
 0.5 0.10 0.29 0.96 7.06 0.74 0.70 0.81
 0.6 0.08 0.23 0.97 7.02 0.80 0.69 0.79
  1. LR + positive likelihood ratio, LR negative likelihood ratio, PV + positive predictive value, PV negative predictive value