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Post hoc analysis of combined Eras’: Multivariable Cox regression model mortality outcome
| Hazard Ratio | 95 % Confidence Interval | P | ||
|---|---|---|---|---|
| Pre-ECMO | 1.00 | - | - | - |
| ECMO | 0.27 | 0.14 | 0.52 | <0.001 |
Controlling for primary repair, additional minor anomalies, and WHSR score. Variables considered but omitted from final model included Caucasian race, gestational age, birth weight, gender, and prenatal diagnosis.
Pre-ECMO= 1998–2002, ECMO= 2003–2013
