High-frequency oscillatory ventilation and short-term outcome in neonates and infants undergoing cardiac surgery: a propensity score analysis

Table 4 Independent predictors of successful weaning from mechanical ventilation and ICU delivery over time

	Successful weaning from mechanical ventilation			ICU delivery
Variable	Adjusted Hazard Ratio	95% CI	P -value	Adjusted Hazard Ratio	95% CI	P -value
HFOV	1.62	1.17 to 2.25	0.004	1.65	1.19 to 2.28	0.002
Delay to sternal closure (days)	0.87	0.82 to 0.93	< 0.001	0.88	0.82 to 0.94	< 0.001
Pulmonary hypertension	0.74	0.54 to 1.02	0.07	0.73	0.53 to 1.01	0.05
Duration of renal replacement therapy (days)	0.95	0.89 to 1.02	0.19	0.94	0.87 to 1.01	0.08
Year of surgery	0.93	0.87 to 0.99	0.03	0.95	0.88 to 1.02	0.16
The propensity score	2.59	1.10 to 6.08	0.03	2.38	0.99 to 5.75	0.05

Adjusted Hazard ratios and 95% CI were estimated using Cox proportional-hazards regression analysis
CI, confidence interval, HFOV, high-frequency oscillatory ventilation

ISSN: 1364-8535