High prevalence of occult hepatitis C infection in predialysis patients

Table 1 Distribution of clinical parameters according to the occurrence of occult hepatitis C virus infection in 91 patients with chronic kidney disease: 2015 to 2017

	Total (%), n = 91	Occult hepatitis C infection		P-value
		Yes (%), n = 15	No (%), n = 76
Age	62.4 ± 13.1	69.4 ± 7.9	60.9 ± 13.5	0.0021
Age ≥ 60 yr				0.0011
Yes	59 (64.8)	15 (100)	44 (57.9)
No	32 (35.2)	0 (0)	32-42.1
Sex				0.3232
Male	44 (48.4)	9 (60)	35 (46.1)
Female	47 (51.6)	6 (40)	41 (53.9)
Ethnicity				0.7191
Mixed	50 (54.9)	7 (46.7)	43 (56.6)
Caucasian	30 (33.0)	6 (40.0)	24 (31.6)
African Americans	11 (12.1)	2 (13.3)	9 (11.8)
BMI	27.1 ± 4.4	27.4 ± 4.7	27.0 ± 4.3	0.7501
GFR	21.6 ± 10.3	24.6 ± 10.6	21.0 ± 10.2	0.2311
CKD stage				0.5802
IIIa	2 (2.2)	0 (0)	2 (2.7)
IIIb	22 (24.4)	6 (40.0)	16 (21.3)
IV	38 (42.2)	5 (33.3)	33 (44.0)
V	28 (31.1)	4 (26.7)	24 (32.0)
Etiology of CKD				0.0192
Mixed	31 (34.1)	11 (73.3)	20 (26.3)
DM	26 (28.6)	1 (6.70)	25 (32.9)
HA	19 (20.9)	3 (20.0)	16 (21.1)
ADPKD	7 (7.70)	0 (0)	7 (9.20)
Others	1 (1.1)	0 (0)	1 (1.3)
ALTe	18.1 (14.2; 23.2)	17.9 (15.2; 20.9)	18.1 (14.2; 24.7)	0.859
ASTe	19.5 (16.6; 24.8)	18.1 (17; 22.6)	19.5 (16.6; 25.3)	0.713

¹Student’s t test;

²Fisher’s exact test;. ADPKD: Autosomal dominant polycystic kidney disease; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; BMI: Body mass index; CKD: Chronic kidney disease; DM: Diabetes mellitus; GFR: Glomerular filtration rate; HA: Hypertension.