Table 2.
Multivariate Logistic Regression Model of Preoperative Risk Factors Associated with CA in Surgical Encounters
| Risk Factor | Odds Ratio | 95% CI | P Value |
|---|---|---|---|
| Age at encounter start* | |||
| Premature neonate, <31 days | 5.04 | 2.98, 8.54 | <0.001 |
| Term neonate, <31 days | 3.77 | 2.54, 5.60 | <0.001 |
| Infant, 31–365 days | 2.48 | 1.69, 3.63 | <0.001 |
| Underweight vs. other | 1.56 | 1.17, 2.08 | 0.003 |
| Any chromosomal abnormality | 1.36 | 1.04, 1.78 | 0.027 |
| Any STS preoperative risk factor | 2.14 | 1.68, 2.74 | <0.001 |
| STAT category 4 or 5 vs. other | 3.92 | 2.94, 5.22 | <0.001 |
*
Reference group Child, 1–18years
CA, cardiac arrest; CI, confidence interval; STAT, Society of Thoracic Surgeons - European Association for Cardio-Thoracic Surgery Congenital Heart Surgery Mortality Categories; STS, Society of Thoracic Surgeons