Table 1.

Cohort demographic characteristics and renal function

Characteristic	SCD	Control
Total, n	77	10
Genotype∗
S-beta	13 (10)
SC	19.5 (15)
SS	67.5 (52)
AA	0 (0)	100 (10)
Gender∗
Female	53.2 (41)	50 (5)
Male	46.8 (36)	50 (5)
Race∗
African American	96.1 (74)	60 (6)
Age, y
Median (range)	42.5 (18-67)	36 (30-50)
Prevalence of CKD∗	36.3 (28)	0 (0)
Prevalence of CKD by stage†
Stage 1	64.3 (18/28)
Stage 2	14.3 (4/28)
Stage 3	17.9 (5/28)
Stage 4	0 (0/28)
Stage 5	3.6 (1/28)
Prevalence of CKD by age (years)†
<25	35.7 (5/14)
25-44	30 (12/40)
45-60	50 (8/16)
>60	42.8 (3/7)
Prevalence of CKD by gender†
Female	34.1 (14/41)
Male	38.9 (14/36)

^∗Data are shown as percentage (number of patients).

^†Data are shown in percentage (number of patients with CKD/total number of patients in the group).