Table 2.
Logistic Regression Model for predicting ARDS in SAP patients.
| Variable | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|
| Odds ratio | 95% CI | p value | Odds ratio | 95% CI | p value | |
| Heart rate > 110, beats/min | 1.820 | 1.082–3.062 | .024 | |||
| Respiratory rate > 30, breaths/min | 4.169 | 1.924–9.034 | <.001 | |||
| PH < 7.350 | 2.952 | 1.440–6.048 | .003 | |||
| PaO2:FiO2 < 200 | 2.559 | 1.504–4.353 | .001 | 2.045 | 1.099–3.806 | .024 |
| Platelet < 125, 109/L | 4.024 | 2.145–7.548 | <.001 | 2.228 | 1.062–4.671 | .034 |
| Potassium > 5, mmol/L | 1.762 | 0.484–6.415 | .390 | |||
| Sodium > 147, mmol/L | 1.740 | 0.791–3.829 | .169 | |||
| Lactate dehydrogenase > 250, U/L | 9.808 | 3.353–28.690 | <.001 | 7.334 | 2.373–22.671 | .001 |
| Blood urea nitrogen > 9.5, mmol/L | 3.277 | 1.899–5.655 | <.001 | |||
| Creatinine > 111, mg/dL | 4.927 | 2.793–8.691 | <.001 | 2.878 | 1.494–5.542 | .002 |
| Blood glucose > 6.1, mmol/L | 1.206 | 0.599–2.427 | .599 | |||
| Lactic acid > 1.6, mmol/L | 1.672 | 0.973–2.873 | .063 | |||
| Procalcitonin > 0.5, ng/mL | 5.941 | 2.638–13.383 | <.001 | 3.907 | 1.633–9.347 | .002 |
ARDS, acute respiratory distress syndrome; FiO2, fraction of inspired oxygen; PH, hydrogen ion concentration; PaO2, Partial pressure of oxygen; SAP, severe acute pancreatitis.
A p value < .05 was considered statistically significant.