Table 4 Prediction of simple weaning
From: Diaphragm thickening fraction to predict weaning—a prospective exploratory study
Diaphragm parameter | Cutoff | ROC of AUC (95% CI) | Sensitivity (%) | Specificity (%) | p value |
|---|---|---|---|---|---|
DTf, % NPT | |||||
2 | ≥ 25.5 | 0.91 (0.84–0.99) | 97 | 81 | < 0.001 |
4 | ≥ 26.5 | 0.93 (0.87–0.99) | 87 | 75 | < 0.001 |
6 | ≥ 25.5 | 0.91 (0.84–0.99) | 90 | 88 | < 0.001 |
T-piece | ≥ 24.5 | 0.90 (0.82–0.97) | 87 | 75 | < 0.001 |
AMP, inspiration, cm | |||||
2 | ≥ 1.21 | 0.87 (0.78–0.96) | 87 | 75 | < 0.001 |
4 | ≥ 1.27 | 0.81 (0.71–0.92) | 81 | 81 | < 0.001 |
6 | ≥ 1.24 | 0.77 (0.66–0.88) | 84 | 59 | < 0.001 |
T-piece | ≥ 1.20 | 0.76 (0.65–0.88) | 72 | 55 | < 0.001 |
SPcont, cm/s | |||||
2 | ≥ 1.24 | 0.94 (0.88–0.99) | 84 | 91 | < 0.001 |
4 | ≥ 1.27 | 0.94 (0.89–0.99) | 93 | 78 | < 0.001 |
6 | ≥ 1.24 | 0.89 (0.81–0.96) | 78 | 71 | < 0.001 |
T-piece | ≥ 1.23 | 0.86 (0.77–0.94) | 87 | 68 | < 0.001 |