Table 3.
Variability of neural breathing pattern during mechanical ventilation weaning.
| MV (n = 13) | ETT-CPAP (n = 13) | P value | |
|---|---|---|---|
| Breath area (μV·s) | |||
| SDArea | 312 [209–415] | 326 [230–458] | 0.040 |
| SDSDArea | 402 [221–468] | 424 [287–549] | 0.021 |
| TIArea | 4.08 [3.39–5.49] | 5.00 [3.58–7.38] | 0.033 |
| Neural Ti (s) | |||
| CVNTi | 0.74 [0.52–0.87] | 0.48 [0.42–0.55] | 0.046 |
| Breath amplitude (μV) | |||
| SDSDAmp | 7.57 [5.52–9.43] | 9.50 [6.45–10.74] | 0.013 |
| Breath width (s) | |||
| SDWidth | 0.15 [0.12–0.23] | 0.11 [0.11–0.15] | 0.033 |
| CVWidth | 0.37 [0.32–0.50] | 0.34 [0.28–0.37] | 0.046 |
| SDSDWidth | 0.19 [0.15–0.31] | 0.16 [0.14–0.21] | 0.040 |
MV mechanical ventilation, ETT-CPAP endotracheal continuous positive airway pressure, Ti inspiratory time, Te expiratory time.
Results are expressed as median [IQR]; statistical analysis was performed by using the Wilcoxon’s signed-rank test.