Hazard of Ceasing Mechanical Ventilation Associated With CCCs and Age

HR95% CI
Model 1*
Number of CCC categories
 3 or more0.580.510.66
Age at time of admission
 0–29 d1.00Referent
 1–11 mo1.010.891.16
 1–9 y1.301.141.47
 10–24 y1.151.021.31
Annual number of deaths
Model 2*
CCC categories
 Hematologic or immunologic0.780.730.84
 Other congenital or genetic1.010.901.15
  • * Model 1 also adjusted for gender and principal payer; model 2 also adjusted for age, gender, principal payer, year, and annual number of deaths in each hospital each year; both models used robust estimation of confidence interval based on clustering by hospital.