From: Use of diaphragm thickening fraction combined with rapid shallow breathing index for predicting success of weaning from mechanical ventilator in medical patients
Diagnostic test
Sensitivity (%)
Specificity (%)
PPV (%)
NPV (%)
Accuracy (%)
RSBI ≤ 105
96.0
44.4
82.8
80.0
82.4
Right DTF ≥ 26%
67.7
88.9
85.7
88.2
Right DTF ≥ 26% and RSBI ≤ 105
92.0
77.8