Table IV.
Final model for ACS in Children with SCA with atopic index (N=163)
| Covariate | IRR | 95% CI | P value |
|---|---|---|---|
| Male gender | 0.78 | 0.49–1.23 | 0.286 |
| History of wheezing leading to shortness of breath | 1.81 | 1.11–2.93 | 0.017 |
| History of an ACS episode prior to 4 year of age | 2.53 | 1.64–3.90 | <0.001 |
| Atopic Index score | 1.44 | 1.17–1.76 | <0.001 |
Abbreviations: ACS=acute chest syndrome; SCA=sickle cell anemia; IRR=incidence rate ratio; CI=confidence interval
a
Negative binomial regression models with adjustment for over-dispersion, using robust standard errors. Two-tailed significance values.