Trial population and eligibility criteria.
death, allergy
ALLERGY
Children who were at least 37 weeks corrected gestational age up to 16 years of age were eligible for inclusion if they were receiving, and were expected to remain on, mechanical ventilation for at least 48 h from the time of screening. Exclusion criteria included known allergy, sensitivity or interaction to polymyxin E (colistin), tobramycin or nystatin, pregnancy or where death was perceived as imminent (futility).