Table 2. Epidemiological parameters used to estimate the monetary and non-monetary burden of human CE in Peru, 2007.

Category	Value	Distribution	Ref.
Population of Peru	26,152,265	Fixed	27
Annual surgical incidence of CE (cases per 100,000)	3–4	Uniform	12,22
New CE outpatients	2189	Fixed	22
Asymptomatic or non-healthcare seeking cases	0–0.015–0.02	Triangular	See text
Gross national income (US $ per capita)	3,450	Fixed	9
Mortality (% of surgical cases)	1.9%	Log Normal	11
Location of CE cysts:			11
Liver	44.9%	Fixed
Lung	32.5%	Fixed
Liver and lung	22.6%	Fixed
Distribution of CE by age (in years):			22
0–9	7.6%	Fixed
10–19	19.2%	Fixed
20–39	34.9%	Fixed
40–49	12.1%	Fixed
50–59	9.5%	Fixed
60+	16.7%	Fixed
Distribution of CE by sex:			22
Male	43.3	Fixed
Female	56.7	Fixed