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Table 2 The efficiency of nomogram for detecting OSA

From: Development and validation of a simple-to-use clinical nomogram for predicting obstructive sleep apnea

  AUC Sensitivity Specificity Positive likelihood ratio (+LR) Negative likelihood ratio (−LR) PPV NPV
> 5 0.84 (0.83–0.86) 0.77 (0.76–0.79) 0.76 (0.72–0.80) 3.22 (3.10–3.40) 0.30 (0.30–0.40) 0.93 (0.92–0.94) 0.43 (0.41–0.46)
> 15 0.80 (0.79–0.82) 0.75 (0.730–0.77) 0.72 (0.69–0.75) 2.66 (2.50–2.80) 0.35 (0.30–0.40) 0.83 (0.82–0.85) 0.60 (0.58–0.62)
> 30 0.78 (0.76–0.79) 0.73 (0.71–0.76) 0.69 (0.66,0.71) 2.34 (2.20–2.50) 0.39 (0.30–0.40) 0.70 (0.68–0.71) 0.73 (0.71–0.74)
  1. Data in parentheses are 95% CIs
  2. AUC area under the curve, PPV positive predictive value, NPV negative predictive value