| Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) | |
|---|---|---|---|---|
| VAC | 60.8 | 95.03 | 50 | 96.7 |
| IVAC | 47.8 | 97.5 | 61.1 | 95.8 |
| PVAP | 13.0 | 99.2 | 60 | 93.3 |
Kendall’s W test showed that there was no concordance between VAP and VAE.
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