Table 2.

Geographical distributions of HCV subtypes of 1012 patients

Geographic origin	n (%)	HCV subtypes
		1a	1b	2a	3a	3b	6a	6n	NAa
Northeastern China	111(10.97)	0	71	37	0	1	1	0	1
Northern China	403(39.82)	1	270	90	13	7	3	0	19
Eastern China	275(27.17)	3	212	23	10	6	8	3	10
Central China	40(3.95)	0	31	8	0	0	0	0	1
Southern China	59(5.83)	0	36	9	4	1	9	0	0
Western China	124(12.25)	0	78	26	4	4	0	1	11
Total	1012(100)	4	698	193	31	19	21	4	42

^aHCV RNA could not be amplified for genotyping