Risk Factors for Infection with Different Hepatitis C Virus Genotypes in Southern Brazil

Table 2

Genotype distribution according to risk factors among hepatitis C virus-infected patients from the countryside of southern Brazil (𝑁 and %).

Risk factors	N *	Genotype 1	Genotype 2	Genotype 3	P value*
Blood transfusion	397				0.160
Yes		50 (36.5)	33 (24.1)	54 (39.4)
No		118 (45.4)	46 (17.7)	96 (36.9)
Use of IV medication	393				0.199
Yes		68 (41.7)	39 (23.9)	56 (34.4)
No		95 (41.3)	40 (17.4)	95 (41.3)
Acupuncture	393				0.726
Yes		4 (30.8)	3 (23.1)	6 (46.2)
No		163 (41.5)	79 (20.1)	151 (38.4)
Hemodialysis	390				0.510
Yes		4 (30.8)	2 (15.4)	7 (53.8)
No		157 (41.6)	77 (20.4)	143 (37.9)
Exposure to blood or organic secretions	391				0.119
Yes		26 (31.7)	19 (23.2)	37 (45.1)
No		137 (44.3)	58 (18.8)	114 (36.9)
Tatoo	393				0.207
Yes		25 (46.3)	6 (11.1)	23 (42.6)
No		138 (40.7)	73 (21.5)	128 (37.8)
Use of injection drugs	394				0.032
Yes		38 (53.5)	7 (9.9)	26 (36.6)
No		129 (39.9)	71 (22.0)	123 (38.1)
Surgical treatment	393				0.023
Yes		81 (39.5)	52 (25.4)	72 (35.1)
No		82 (43.6)	27 (14.4)	79 (42.0)
Piercing	393				0.643
Yes		4 (40.0)	1 (10.0)	5 (50.0%)
No		159 (41.5)	78 (20.4)	146 (38.1)
Inhalation drug	389				0.028
Yes		32 (53.3)	5 (8.3)	23 (38.3)
No		130 (39.5)	73 (22.2)	126 (38.3)
Dental procedure	394				0.010
Yes		72 (36.7)	51 (26.0)	73 (37.2)
No		92 (46.5)	28 (14.1)	78 (39.4)
Transplant	391				0.287
Yes		1 (25.0)	0 (0.0)	3 (75.0)
No		161 (41.6)	79 (20.4)	147 (38.0)
Percutaneous accident	389				0.979
Yes		7 (43.8)	3 (18.8)	6 (37.5)
No		154 (41.3)	75 (20.1)	144 (38.6)

^∗Chi-square test; IV: intravenous.