Attempt to calculate the prevalence and features of chronic hepatitis C infection in Tuscany using administrative data

Table 1 Prevalence of anti-hepatitis C virus and hepatitis C virus-RNA by age in Italy and Tuscany on 01.01.2015

	Italy				Tuscany
	Anti-HCV (%)	HCV-RNA+1 (%)	No. of resident people anti-HCV+	No. of HCV-RNA+	No. of resident people anti-HCV+	No. of HCV-RNA+
Geographic area
North	1.3 (0.8-1.8)	39.1	361397	140945	108827	64317
Center	2.9 (1.7-4.1)	59.1	350628	206871
South	4.6 (3.4-5.8)	56.0	961638	538517
Age
0-23 mo	3.8 (1.0-6.6)	14.3	586772	83912	33962	4862
2-14 yr	0.8 (0.3-1.3)	66.6	547123	364383	31373	20903
15-30 yr	1.8 (1.0-2.6)	44.4	178552	79277	9696	4305
31-45 yr	5.9 (3.8-8.0)	48.3	767082	370500	46649	22532
46-60 yr	6.8 (3.9-9.7)	65.0	911233	592301	56568	36769
> 60 yr	5.2 (1.9-8.5)	66.6	836736	557266	73919	49230
Total	2.7 (2.2-3.2)	52.6	1641482	863419	108827	64317

¹HCV-RNA positive % calculated on anti-HCV;

²Using Istat data, the age range is 0-24 mo;

³Using Istat data, the age range is 3-14 year. The total is not the sum of Cases. Source: Regional Health Agency of Tuscany on Ansaldi et al[6] prevalence and National Institute of Statistic data.