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Table 4 Sensitivity and specificity at the cutoff of the highest Youden index

From: Lung-thorax compliance measured during a spontaneous breathing trial is a good index of extubation failure in the surgical intensive care unit: a retrospective cohort study

 

Cutoff

Sensitivity

Specificity

LTC (mL/cmH2O)

54

0.759

0.818

RR (/min)

21

0.895

0.636

RSBI

72

0.982

0.455

APACHE II

21

0.815

0.636

HR (bpm)

81

0.698

0.727

TV (mL)

451

0.500

0.909

  1. Youden index = sensitivity + specificity − 1
  2. LTC lung-thorax compliance, RR respiratory rate, RSBI rapid shallow breathing index, APACHE II score Acute Physiology and Chronic Health Evaluation II score, HR heart rate, TV tidal volume
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Journal of Intensive Care

ISSN: 2052-0492