Rapid Communication
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2006; 12(1): 141-145
Published online Jan 7, 2006. doi: 10.3748/wjg.v12.i1.141
Table 2 Distribution of known and probable primary risk factors (one per person according to the hierarchy) stratified by age and gender
Risk factorsAll n (%)250 (100%)F n (%)92 (36.8)M n (%)158 (63.2)F<45 n(%)43 (46.7)M<45 n (%)109 (69.0)F>44 n (%)49 (53.3)M>44 n (%)49 (31.0)
Known risk factors112 (44.8)49 (53.3)a63 (39.9)a26 (60.5)c43 (39.4)c23 (46.9)20 (40.8)
IVDU22 (8.8)4 (4.4)18 (11.4)3 (7.0)e18 (16.5)e1 (2.0)e0 (0.0)e
Transfusion before 199322 (8.8)13 (14.1)k9 (5.7)k5 (11.6)19 (17.4)i13 (26.5)15 (30.6)
Occupational exposure – health-care22 (8.8)13 (14.1)k9 (5.7)k5 (11.6)6 (5.5)8 (16.3)3 (6.1)
Dialysis3 (1.2)1 (1.1)2 (1.3)0 (0.0)0 (0.0)1 (0.0)2 (4.1)
Sexual contact with HCV0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
Probable risk factors35 (14.0)6 (6.5)m29 (18.4)m4 (9.3)17 (15.6)2 (4.1)o12 (24.5)o
Transfusion after 199213 (5.2)4 (4.4)9 (5.7)2 (4.7)3 (2.8)2 (4.1)6 (12.2)
Minor surgery22 (8.8)2 (2.2)a20 (12.7)a2 (4.7)14 (12.8)0 (0.0)s6 (12.2)s
No known or probable risk factors103 (41.2)37 (40.2)66 (41.8)13 (30.2)49 (45.0)24 (49.0)17 (34.7)