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

Table 4 Charlson Index score adjusted for age calculated on the estimated resident population in hepatitis C virus - positive patients from Tuscany known to the Regional Health System based on age group

Age (yr)	CHARLSON INDEX
	0	1-2	3-4	≥ 5
0-14	82	45	1	0
15-34	753	373	21	8
35-44	1.790	1.001	79	96
45-54	4.165	2.633	311	575
55-64	2.365	1.566	346	380
65-74	1.947	1.656	397	245
75+	1.850	1.974	885	374
Total	12.952	9.248	2.040	1.678
	50%	36%	8%	6%

Source: Regional Health Agency of Tuscany.