Sensitivity analyses for catastrophic health expenditure thresholds for the extended cost-effectiveness analysis of 10% tax on sugar-sweetened beverages in South Africa
| Total | Quintile 1 | Quintile 2 | Quintile 3 | Quintile 4 | Quintile 5 | |
| Panel A. Catastrophic health expenditure threshold set to 5% | ||||||
| T2DM deaths averted* | 7898 | 1260 | 1561 | 1820 | 1860 | 1397 |
| Government healthcare savings (ZAR million)* | 1690 | 383 | 488 | 410 | 314 | 94 |
| Changes in annual tax revenues (ZAR million) | 5490 | 915 | 1021 | 1118 | 1191 | 1245 |
| Financial risk protection (cases of poverty averted using FPL)* | 12 179 | 1155 | 5595 | 5066 | 363 | 0 |
| Financial risk protection (cases of catastrophic expenditures averted)* | 38 068 | 6455 | 7020 | 8760 | 8809 | 7024 |
| Annual indirect cost savings (ZAR million) | 11.1 | 0.2 | 0.6 | 0.9 | 2.0 | 7.4 |
| Panel B. Catastrophic health expenditure threshold set to 40% | ||||||
| T2DM deaths averted* | 7898 | 1260 | 1561 | 1820 | 1860 | 1397 |
| Government healthcare savings (ZAR million)* | 1690 | 383 | 488 | 410 | 314 | 94 |
| Changes in annual tax revenues (ZAR million) | 5490 | 915 | 1021 | 1118 | 1191 | 1245 |
| Financial risk protection (cases of poverty averted using FPL)* | 12 179 | 1155 | 5595 | 5066 | 363 | 0 |
| Financial risk protection (cases of catastrophic expenditures averted)* | 10 107 | 6360 | 242 | 3505 | 0 | 0 |
| Annual indirect cost savings (ZAR million) | 11.1 | 0.2 | 0.6 | 0.9 | 2.0 | 7.4 |
*Estimated over 20 years.
FPL, food poverty line (ZAR321 or US$21 per capita per month); T2DM, type 2 diabetes mellitus; ZAR, South African rand.