TABLE 1

Demographic Characteristics of the Study Population

CharacteristicssKD (n = 4818 [85.5%])rKD (n = 815 [14.5%])P
Male, %6060.861.38.71
Length of stay, d (IQR)3 (2-4)4 (2-6)<.001
Age, mo, median (IQR)30 (15-54)30 (14-53).438
Age group (% of total)
 0-12 mo20.322.0.647
 13-23 mo18.819.0
 24-59 mo40.438.2
 >59 mo20.420.8
Ethnicity (% of total)
 Non-Hispanic white38.342.1.075
 African American20.421.2
 Hispanic white19.617.0
 Asian8.97.6
 American Indian0.20.1
 Others8.29.3
 Missing data4.42.6