Table 5. The cost-utility analyses of each subgroup.
| Variable | <45 years | 45–60 years | >60 years |
|---|---|---|---|
| Female | |||
| Cost (RMB) | 59,030.9 | 54,748.2 | 58,264.4 |
| Incremental costs | Ref | −4,282.7 | −766.5 |
| Effectiveness (QALY) | 4.342 | 4.272 | 4.109 |
| Incremental effectiveness | 0.07 | −0.07 | −0.233 |
| ICER | Ref | 61,181.49 | 3,289.70 |
| Male | |||
| Cost (RMB) | 62,278.3 | 58,231.8 | 74,097.5 |
| Incremental costs | Ref | −4,046.5 | 11,819.2 |
| Effectiveness (QALY) | 4.332 | 4.263 | 4.200 |
| Incremental effectiveness | Ref | −0.069 | −0.132 |
| ICER | Ref | 58,644.93 | −89,539.39 |
QALY, quality-adjusted life year; ICER, incremental cost-effectiveness ratios.