Table 4 Comparisons of Drug Acquisition Costs of 5-Year NNT Among Antihypertensive Drug Classes
Drug Class | Commonly Prescribed | 5-year Cost Per Patient | 5-Year NNT | Total Cost | Incremental Cost | Cost Ratio |
|---|---|---|---|---|---|---|
SHEP-based drug therapy | $456 | 15 | $6,843 | $0 (base) | 1 (base) | |
Beta-Blocker | Atenolol | |||||
   25 mg daily | $1,255 | 15 | $18,825 | $11,982 | 2.75 | |
   50 mg daily | $1,245 | 15 | $18,675 | $11,832 | 2.73 | |
   100 mg daily | $1,792 | 15 | $26,880 | $20,037 | 3.93 | |
ACE inhibitor | Enalapril | |||||
   5 mg daily | $2,031 | 15 | $30,465 | $23,622 | 4.45 | |
   10 mg daily | $2,132 | 15 | $31,980 | $25,137 | 4.67 | |
   20 mg daily | $3,034 | 15 | $45,510 | $38,667 | 6.65 | |
Alpha-Blocker | Terazosin | |||||
   2 mg daily | $2,984 | 15 | $44,760 | $37,917 | 6.54 | |
   5 mg daily | $2,984 | 15 | $44,760 | $37,917 | 6.54 | |
   10 mg daily | $2,984 | 15 | $44,760 | $37,917 | 6.54 | |
Calcium channel blocker | Nifedipine | |||||
   30 mg daily | $881 | 15 | $13,215 | $6,372 | 1.93 | |
   60 mg daily | $1,762 | 15 | $26,430 | $19,587 | 3.86 | |
   90 mg daily | $2,644 | 15 | $39,660 | $32,817 | 5.8 |