Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Hepatol. May 27, 2018; 10(5): 409-416
Published online May 27, 2018. doi: 10.4254/wjh.v10.i5.409
Table 1 Percentage of hepatitis B virus infected patients stratified by age group n (%)
Age groupMalesFemalesTotal
≤ 3454 (18.3)46 (27.9)100 (21.7)
35-4460 (20.3)26 (15.7)86 (18.7)
45-5468 (23.1)33 (20.0)101 (22.0)
55-6458 (19.7)27 (16.4)85 (18.5)
65-7436 (12.2)22 (13.3)58 (12.6)
> 7519 (6.4)11 (6.7)30 (6.5)
Total295 (100)165 (100)460 (100)
Missing479
Table 2 Distribution of hepatitis B virus transmissions-multiple-choice analysis n (%)
Routes of transmissionDistribution
Intravenous drug users15 (3.5)
Coagulation factors/blood transfusions26 (6.0)
Sexual transmission53 (12.3)
Piercing and tattooing9 (2.1)
Vertical transmission73 (16.9)
Nosocomial/dental cure101 (23.4)
Undefined255 (59.0)
Table 3 Distribution of the major hepatitis B virus genotypes n (%)
GenotypesDistribution
A19 (14.1)
B4 (3.0)
C4 (3.0)
D97 (71.9)
E5 (3.6)
F6 (4.4)
Total135 (100)

  • Citation: Stasi C, Silvestri C, Berni R, Brunetto MR, Zignego AL, Orsini C, Milani S, Ricciardi L, De Luca A, Blanc P, Nencioni C, Aquilini D, Bartoloni A, Bresci G, Marchi S, Filipponi F, Colombatto P, Forte P, Galli A, Luchi S, Chigiotti S, Nerli A, Corti G, Sacco R, Carrai P, Ricchiuti A, Giusti M, Almi P, Cozzi A, Carloppi S, Laffi G, Voller F, Cipriani F. Clinical epidemiology of chronic viral hepatitis B: A Tuscany real-world large-scale cohort study. World J Hepatol 2018; 10(5): 409-416
  • URL: https://www.wjgnet.com/1948-5182/full/v10/i5/409.htm
  • DOI: https://dx.doi.org/10.4254/wjh.v10.i5.409