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Table 3 Validity of the NSCAN compared with PSG

From: Validity of an under-mattress sensor for objective sleep measurement in critically ill patients: a prospective observational study

  95% CI
Agreement, %68.467.9–69.0
Sensitivity, %90.189.7–90.6
Specificity, %38.837.9–39.7
PPV, %66.866.2–67.4
NPV, %74.273.1–75.3
PLR1.4721.450–1.495
NLR0.2540.241–0.268
  1. Abbreviations: CI confidence interval, NLR negative likelihood ratio, NPV negative predictive value, NSCAN Nemuri SCAN, PLR positive likelihood ratio, PPV positive predictive value, PSG polysomnography