Table 2.
Results from the Base-Case Analysis
Lifetime Costs, $ | Incremental Costs, $ | QALYs | QALYs Gained | ICER, $/QALY | |
---|---|---|---|---|---|
Caucasians and Hispanics (Prevalence HLA-B*5801 0.007, SJS/TEN Risk 0.00026) | |||||
No testing, initiate allopurinol-febuxostat sequential therapy | $23,777 | 13.2248 | Reference | ||
Universal HLA-B*5801 testing | $23,966 | $189 | 13.2258 | 0.0010 | $183,720 |
African Americans (Prevalence HLA-B*5801 0.038, SJS/TEN Risk 0.00136) | |||||
No testing, initiate allopurinol-febuxostat sequential therapy | $23,826 | 13.2205 | Reference | ||
Universal HLA-B*5801 testing | $24,280 | $454 | 13.2259 | 0.0054 | $83,450 |
Asians (Prevalence HLA-B*5801 0.074, SJS/TEN Risk 0.00298) | |||||
No testing, initiate allopurinol-febuxostat sequential therapy | $23,898 | 13.2141 | Reference | ||
Universal HLA-B*5801 testing | $24,648 | $750 | 13.2257 | 0.0117 | $64,190 |
Abbreviations: ICER, incremental cost-effectiveness ratio; QALY, quality-adjusted life year; SJS, Stevens-Johnson Syndrome; TEN, Toxic Epidermal Necrolysis