Table 4. Cox Regression Analysis Assessing 60-Day Mortality Factors Associated With Risk in Congenital Diaphragmatic Hernia.
| Factor | Black | Hispanic | White | |||
|---|---|---|---|---|---|---|
| Hazard ratio (95% CI) | P value | Hazard ratio (95% CI) | P value | Hazard ratio (95% CI) | P value | |
| Disease severity | ||||||
| Cardiovascular anomalies | 1.51 (0.62-3.69) | .37 | 1.57 (0.81-3.05) | .18 | 0.76 (0.56-1.04) | .08 |
| Days on nitric oxide | 0.98 (0.97-0.99) | .03 | 0.99 (0.97-1.01) | .30 | 0.99 (0.98-1.00) | .17 |
| ECLS | 4.66 (1.45-15.01) | .01 | 14.82 (4.63-47.42) | <.001 | 7.50 (4.77-11.81) | <.001 |
| Institutional | ||||||
| High volume hospitala | 0.91 (0.46-1.83) | .80 | 0.76 (0.41-1.39) | .37 | 0.74 (0.29-1.86) | .52 |
| Racial and ethnic diversityb | ||||||
| <30% | 1 [Reference] | NA | 1 [Reference] | NA | 1 [Reference] | NA |
| 31%-40% | 0.17 (0.04-0.78) | .02 | 0.40 (0.14-1.12) | .08 | 0.68 (0.30-1.58) | .38 |
| >40% | 0.64 (0.29-1.41) | .27 | 0.37 (0.15-0.89) | .03 | 1.15 (0.51-2.63) | .73 |
Abbreviations: ECLS, extracorporeal life support; NA, not applicable.
a
High volume hospitals indicates those with 10 or more cases per year.
b
Racial and ethnic diversity is the percentage of Black/Hispanic patients with congenital diaphragmatic hernia treated.