Table 2: Comparison of risk for severe outcomes in asthmatic and non-asthmatic patients. Results of multilevel mixed-effects generalized linear models, with municipality and hospital as random effects Models adjusted for sex, age group, region, ethnicity and presence of other comorbidities. YO: years old. PICU: pediatric intensive care unit; IVS: invasive ventilatory support; OR: odds ratio; 95%CI: 95% confidence interval.