Table 3

TB cases in the two clinics catchment areas, incremental costs in 2019 US$, incremental DALYs averted and cost-effectiveness ratios of interventions compared with base case

InterventionTB casesIncremental costs, 2019 US$Incremental DALYs avertedIncremental cost per DALY averted, 2019 US$
Base case1844
1: Improving ventilation by opening doors and windows1776211 1821674126
2: Building retrofits1787−3,8031345cost saving
3: UVGI1743132 691232157
4: Surgical mask wearing for patients and N95 respirators for staff1784218 9391446151
5: Maximising use of existing CCMDD facilities1813−8 413 197980cost saving
6: Queue management system174268 357248028
7: Appointments system1772133 241186172
  • .CCMDD, Central Chronic Medicines Dispensing and Distribution; DALYs, disability-adjusted life-years; TB, tuberculosis; UVGI, ultraviolet germicidal irradiation.