Table 4.
Adjusted risk of mortality on ECMO, by gestational age
| Mortality OR | ||||||
|---|---|---|---|---|---|---|
| Late preterm vs. Full term |
Early term vs. Full term |
|||||
| total n | unadj.OR | (95% CI) | unadj.OR | (95% CI) | ||
| Unadjusted | 14,528 | 2.81 | (2.50, 3.16) | 1.73 | (1.55, 1.94) | |
| Model | model n | adj. OR | (95% CI) | adj. OR | (95% CI) | |
| 1. | Adjusted for pH, Apgar 1, pO2, gender, year | 13,754 | 2.73 | (2.40, 3.09) | 1.63 | (1.45, 1.85) |
|
| ||||||
| 2. | Model 1 with race, delivery status | 11,008 | ||||
| interaction-specific results: | ||||||
| White | 1.47 | (1.32, 1.64) | 0.99 | (0.89, 1.09) | ||
| Black | 3.60 | (2.53, 5.11) | 1.44 | (1.05, 1.99) | ||
| Hispanic | 2.27 | (1.43, 3.59) | 1.37 | (0.92, 2.05) | ||
| Asian | 2.59 | (1.22, 5.49) | 1.26 | (0.60, 2.67) | ||
| Other | 1.80 | (0.86, 3.75) | 1.15 | (0.63, 2.10) | ||
|
| ||||||
| 3. | Model 1 with weight and primary diagnosis | 13,736 | 1.31 | (1.12, 1.53) | 1.06 | (0.93, 1.20) |
|
| ||||||
| 4. | Model 3 with post-ECMO variables | 13,730 | 1.15 | (0.97, 1.36) | 1.04 | (0.89, 1.19) |