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

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

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