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Table 3 Validated indicators of SBT for predicting the outcome of extubation

From: Accuracy of the spontaneous breathing trial using a combined CPAP + PSV model to predict extubation outcomes in very preterm infants

SBT results

Extubation

Success

Failure

Total

Success

99

3

102

Failure

2

15

17

Total

101

18

119

  1. Sensitivity = 98%
  2. Specificity = 83.3%
  3. Positive Predictive Value (PPV) = 97.1%
  4. Negative Predictive Value (NPV) = 88.2%