Fig 2.
A and B, Kaplan-Meier plot of time to the onset of physician-diagnosed active asthma (Fig 2, A) or long-term medication prescription (Fig 2, B). Children in condition 1 had no RSV bronchiolitis hospitalization history and did not receive palivizumab. Children in condition 2 had no RSV bronchiolitis hospitalization history but received palivizumab. Children in condition 3 had RSV bronchiolitis hospitalization history but did not receive palivizumab. Children in condition 4 had RSV bronchiolitis hospitalization history and received palivizumab. Participants’ age (months) is indicated on the x-axis. The 4 conditions are statistically different (P < .0001). Pal, Palivizumab.