Prediction of mechanical ventilation greater than 24 hours in critically ill obstetric patients: ten years of data from a tertiary teaching hospital in mainland China

Table 3 Logistic regression of prolonged mechanical ventilation and clinical variables

Variables	OR	P value	95% CI
Estimated blood loss, L	1.296	0.029	1.028–1.634
Myocardial injury	4.596	0.012	1.394–15.159
AKI	4.305	0.013	1.361–13.617
PaO₂/FiO₂, mmHg	0.989	< 0.001	0.984–0.995
APACHE II score	1.080	0.207	0.958–1.216
BNP, pg/mL	0.999	0.399	0.999–1.000
TBIL, μmol/L	1.014	0.317	0.987–1.041
Platelet, × 10¹²/L	1.002	0.647	0.995–1.009
Lactate, mmol/L	1.229	0.349	0.798–1.894
PaCO₂, mmHg	1.040	0.457	0.938–1.152

Abbreviations: APACHE acute physiology and chronic health evaluation, AKI acute kidney injury, BNP brain natriuretic peptide, TBIL total bilirubin, PaCO₂ arterial partial pressure of carbon dioxide, PaO₂/FiO₂ the ratio of the arterial partial pressure of oxygen and the fraction of inspired oxygen, OR odds ratio, CI confidence interval

ISSN: 1471-2393