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 | |
| Parameter | Description | Range/source |
| | Recruitment rate into susceptible class | 52600 | | 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 rate | 0.029 [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 hospital | 0.053—[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)—[30–32] |
|
|