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Table 4 Predictive accuracy of potential variables for weaning outcome

From: Application of bedside ultrasound in predicting the outcome of weaning from mechanical ventilation in elderly patients

Variables

AUC

95% CI

Cut-off point

Sensitivity (%)

Specificity (%)

RSBI

0.680

0.581–0.767

102

65

53

LUS

0.764

0.671–0.842

11

71

55

DE

0.831

0.690–0.856

1.4

85

62

DTF

0.881

0.790–0.956

30

94

84

Combined model

0.919

0.850–0.963

0.23

96

89

  1. Combined model: RSBI + LUS + DE + DTF; AUC area under curve, DE diaphragmatic excursion, DTF diaphragm thickening fraction, RSBI rapid shallow breathing index, LUS lung ultrasound score
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BMC Pulmonary Medicine

ISSN: 1471-2466

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