“…Moreover, the multivariable analysis may have been underpowered because there were 42 CR-BSIs throughout the entire study; however, survival analysis curves confirmed the influence of IT and PN on the cumulative probability of avoiding CR-BSIs. Second, it was not a multicenter study; substantial variation exists in the CR-BSI prevention activities, surveillance methods and estimated CR-BSI rates among the European countries [44], reasons why generalization of our results should be made with caution. Moreover, our PICU is a medical/surgical unit without postoperative cardiac surgery patients.…”