Table 6.
Conditional logistic regression models for complications by subgroup within propensity-score matched cohorts, stratified by CHD severity.
| Outcome | # events | Odds Ratio | 95% CI | p* |
|---|---|---|---|---|
| Severe CHD (n=266) | ||||
| Reintubation | 15 | 15.81 | 2.03–123.11 | 0.008 |
| Myocardial infarctionˆ | 3 | – | – | – |
| Infection-related | 31 | 2.31 | 1.03–5.16 | 0.04 |
| Readmissions | 63 | 1.53 | 0.88–2.64 | 0.13 |
| Major CHD (n=1,028) | ||||
| Reintubation | 38 | 8.99 | 3.16–25.55 | <0.001 |
| Myocardial infarctionˆ | 12 | – | – | – |
| Infection-related | 120 | 1.60 | 1.08–2.38 | 0.02 |
| Readmissions | 199 | 1.80 | 1.31–2.48 | <0.001 |
| Minor CHD (n=1,349) | ||||
| Reintubation | 43 | 3.09 | 1.48–6.47 | 0.003 |
| Myocardial infarctionˆ | 9 | – | – | – |
| Infection-related | 126 | 1.44 | 0.96–2.16 | 0.08 |
| Readmissions | 220 | 1.69 | 1.24–2.32 | 0.001 |
CHD = congenital heart disease; CI = confidence interval
*
p<0.017 considered statistically significant.
ˆ
myocardial infarction had too few events for convergence of conditional logistic regression.