Table 1.

Unadjusted Comparison of Postpartum Women Tested for the Interleukin-28B Gene Allele Who Spontaneously Cleared Their Chronic Hepatitis C Virus Infection and Those Who Remained Persistently Infected

Characteristic	Total, N = 52	Spontaneously Cleared, N = 14 (%)	Persistently Infected, N = 38 (%)	P Value
Number (n = 52)		14/52 (26.9)	38/52 (73.1)
Mean age, y (standard deviation)	31.7 (5.2)	30.7 (5.2)	32.0 (5.3)	.43
Interleukin-28B gene (rs12979860)
CC allele	28/52 (53.8)	10/28 (35.7)	18/28 (64.3)	.21
CT allele	17/52 (32.7)	2/17 (11.8)	15/17 (88.2)
TT allele	7/52 (13.5)	2/7 (28.6)	5/7 (71.4)
Maternal HCV viral load at baseline
Median (interquartile range)	80450 (4789891)	68500 (4789093)	100200 (3899891)	.43
Primigravida	4/52 (7.7)	0/14 (0.0)	4/38 (10.5)	.56
Multigravida
History of preterm births	1/52 (1.9)	0/14 (0.0)	1/38 (2.6)	1.00
History of abortion	17/52 (32.7)	6/14 (42.9)	11/38 (28.9)	.20
Number of full-term births	47/52 (90.4)	13/14 (92.9)	34/38 (89.5)	.43
Have children who are currently alive	47/52 (90.4)	13/14 (92.9)	34/38 (89.5)	.51
HCV risk factors
Working in health sector	3/52 (5.8)	0/14 (0.0)a	3/38 (7.9)	1.00
History of jaundice	0/52 (0.0)a	0/14 (0.0)a	0/38 (0.0)a	N/A
History of liver disease	3/52 (5.8)	3/14 (21.4)	0/38 (0.0)	.02
History of surgery	34/52 (65.4)	11/14 (78.6)	23/38 (60.5)	.33
History of blood transfusion	4/52 (7.7)	1/14 (7.1)	3/38 (7.9)	1.00
History of needle-stick injury	1/52 (1.9)	1/14 (7.1)	0/38 (0.0)a	.27
History of tattoos	0/52 (0.0)a	0/14 (0.0)a	0/38 (0.0)a	N/A
History of endoscopy	1/52 (1.9)	1/14 (7.1)	0/38 (0.0)a	.27
History of renal dialysis	0/52 (0.0)a	0/14 (0.0)a	0/38 (0.0)a	N/A
History of dental treatment	42/52 (80.8)	13/14 (92.9)	29/38 (76.3)	.25
History of intravenous injection with needle sharing	0/52 (0.0)a	0/14 (0.0)a	0/38 (0.0)a	N/A

Abbreviation: HCV, hepatitis C virus.

^aToo sparse for inference.