| Drug | |||
---|---|---|---|---|
 | Atenolol | Hydrochlorothiazide | ||
 | Power, N = 300 | N, 80% power | Power, N = 300 | N, 80% power |
Systolic BP response signal | 80% | 300 | 80% | 300 |
   Measurement methods |  |  |  |  |
Office | 4% | 780 | 1.5% | 1013 |
Home | 42% | 416 | 24% | 500 |
Ambulatory day | 41% | 420 | 18% | 540 |
Ambulatory night | 17% | 552 | 12% | 607 |
   Weighted averages |  |  |  |  |
All methods | 70% | 328 | 61% | 353 |
Home and office | 45% | 404 | 30% | 467 |
Diastolic BP response signal | 80% | 300 | 80% | 300 |
   Measurement methods |  |  |  |  |
Office | 5% | 764 | 3% | 884 |
Home | 39% | 426 | 19% | 537 |
Ambulatory day | 39% | 426 | 19% | 537 |
Ambulatory night | 27% | 484 | 7% | 695 |
   Weighted averages |  |  |  |  |
All methods | 63% | 348 | Â | 379 |
Home and office | 42% | 416 | 26% | 489 |