Cumulative prevalence of re-hospitalization for severe vaso-occlusive episode (ACS or pain) following an initial ACS episode, by age of initial ACS episode. (Please see file entitled “Figure 2”)
ACS, acute chest syndrome; pain, severe pain requiring hospitalization; Age <4 years includes children greater than or equal to 1 year and less than 4 years of age; Age 4 years and above includes children greater than or equal to 4 years of age (Range 4-17.7 years of age)