Research Article

Cost-Effectiveness Analysis of Hospitalization and Home-Based Care Strategies for People Living with HIV/AIDS: The Case of Zimbabwe

Table 9

Variables, parameters, and parameter values used in the model.

Variable Description

Susceptible individuals
Unidentified asymptomatic HIV infected individuals
Screened and identified HIV infected individuals
Symptomatic with full blown AIDS individuals
Hospitalized AIDS
Community home-based care

ParameterDescriptionRange/source

Recruitment rate into susceptible class52600
The transmission contact rate (0, 1) [28]
Measuring how individuals respond to the increase or decrease of mortality due to HIV/AIDS(10, 100)—Fitted
Non-HIV/AIDS death rate0.029 [20]
CHBC efficacy rate (0, 1)—Fitted
Withdrawal proportion from risky sexual activities due to counselling (0, 1)—fitted
Adjustment factors due to behavioural change(0, 3)—fitted
Rate of seeking care and treatment from CHBC by the screened infective individuals (0.01, 0.053)—fitted
Rate of seeking care and treatment from CHBC of AIDS individuals discharged from hospital0.053—[24]
Recruitment rate into hospital(0.05, 0.8)—[29]
Progression rate to AIDS of unidentified infective individuals —[5]
Progression rate to AIDS of screened infective individuals —[20]
Screening rate of unidentified infective individuals (0.05, 0.3)/[13]
()Disease induced death rates(0.05, 0.33)—[3032]