Table 6. Cost-effectiveness analysis of subgroups.
| Subgroups | Effect | Increased effect | Cost ($) | Increased cost ($) | ICER ($/QALY) | C/E |
|---|---|---|---|---|---|---|
| Pediatric patients aged 4 to <7 years | ||||||
| AEDs | 5.77 | – | 11,699.09 | – | – | 2,025.51 |
| AEDs + PER | 5.96 | 0.19 | 15,446.98 | 3,747.89 | 19,710.96 | 2,589.16 |
| Pediatric patients aged 7 to <12 years | ||||||
| AEDs | 5.78 | – | 11,699.09 | – | – | 2,025.51 |
| AEDs + PER | 6.24 | 0.46 | 15,446.98 | 3,354.11 | 7,167.95 | 2,410.90 |
AEDs refer to the maintenance of conventional therapy. ICER, incremental cost-effectiveness ratio; QALY, quality-adjusted life years; C/E, C represents cost, E represents effect; PER, perampanel; AED, antiepileptic drug.