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 | Â | $456 | 15 | $6,843 | $0 (base) | 1 (base) |
Beta-Blocker | Atenolol | Â | Â | Â | Â | Â |
|  |    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 | Â | Â | Â | Â | Â |
|  |    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 | Â | Â | Â | Â | Â |
|  |    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 | Â | Â | Â | Â | Â |
|  |    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 |