Table 2.
Total cost and effectiveness of three polio immunization schedules.
| Four-tOPV Schedule | Two-IPV-Two-bOPV Schedule | Four-IPV Schedule | |
|---|---|---|---|
| Total cost (CNY 10,000 per year) | 297.98 | 1856.42 | 3174.08 |
| Cost of vaccines (CNY 10,000 per year) | 152.53 | 1800.90 | 3174.08 |
| Maintenance of low-temperature refrigerator (CNY 10,000 per year) | 44.17 | 44.17 | 0 |
| Compensation for VAPP cases (CNY 10,000 per year) | 101.29 | 11.36 | 0 |
| Incremental cost (CNY 10,000 per year) | reference | 1558.44 | 2876.10 |
| Number of VAPP cases prevented (per year) | reference | 1.20 | 1.35 |
| DALY averted (per year) | reference | 16.83 | 18.96 |
| ICERVAPP (CNY 10,000 per VAPP case) | reference | 1296.26 | 2124.02 |
| ICERDALY (CNY 10,000 per DALY) | reference | 92.59 | 151.72 |
bOPV, bivalent live attenuated oral polio vaccine; tOPV, trivalent live attenuated oral polio vaccine; CNY, Chinese Yuan; DALY, disability-adjusted life year; ICER, incremental cost-effectiveness ratio; IPV, inactivated polio vaccine; VAPP, vaccine-associated paralytic poliomyelitis.