Table 2 Significant predictors and item score of the NIV failure in acute respiratory failure patients
Predictors | Category | OR | 95% CI | p-value | Coefficienta | Score |
|---|---|---|---|---|---|---|
Heart rate > 110 bpm | No | 1.00 | reference | – | – | 0 |
Yes | 1.84 | 1.05–3.22 | 0.033 | 0.61 | 1 | |
Systolic BP < 110 mmHg | No | 1.00 | reference | – | – | 0 |
Yes | 3.04 | 1.39–6.62 | 0.005 | 1.11 | 2 | |
SpO2 < 90% | No | 1.00 | reference | – | – | 0 |
Yes | 2.44 | 1.40–4.26 | 0.002 | 0.89 | 1 | |
Arterial pH < 7.30 | No | 1.00 | reference | – | – | 0 |
Yes | 4.94 | 1.01–24.01 | 0.048 | 1.60 | 3 | |
Serum lactate (mmol/L) | < 4 | 1.00 | reference | – | – | 0 |
4–8 | 3.09 | 1.13–8.47 | 0.029 | 1.13 | 2 | |
> 8 | 12.22 | 2.38–62.68 | 0.003 | 2.50 | 4 |