Table 3.
Comparison of the association between DD and NIV failure at both timepoints
| Parameter | NIV failure | P-value |
|---|---|---|
| At T1 (PC/CC) | 0.006 | |
| DD (n=20) | 16 (80.0) | |
| No DD (n=40) | 16 (40.0) | |
| At T2 (PC) | 0.029 | |
| DD (n=14) | 10 (71.4) | |
| No DD (n=37) | 13 (35.1) | |
| At T2 (CC) | <0.001 | |
| DD (n=34) | 22 (64.7) | |
| No DD (n=17) | 1 (5.9) | |
| DD at T2 (PC) | 0.066 | |
| None (n=37) | 13 (35.1) | |
| New (n=3) | 2 (66.7) | |
| Continuous (n=11) | 8 (72.7) | |
| DD at T2 (CC) | <0.001 | |
| None (n=17) | 1 (5.9) | |
| New (n=23) | 14 (60.9) | |
| Continuous (n=11) | 8 (72.7) |
Values are presented as number (%).
DD: diaphragmatic dysfunction; NIV: non-invasive ventilation; T1: at NIV initiation; T2: at 2 hours of NIV; PC: predefined criteria; CC: calculated criteria.