TABLE 2

Prevalence of rKD on the Basis of Region

RegionNo. of Patients (% of Study Population)Prevalence of rKD, %(b (P=.039)
Northeast679 (11.8)14.6
North-Central1467 (25.1)14.3
South1974 (39.5)17.2
West1513 (23.7)12.9