Table 2 Comparison of blood pressure change after intervention among the two groups and within each group
|  | Spironolactone (n = 9) | Alternative drug regimen (n = 8) | P value |
|---|---|---|---|
Office blood pressure | |||
 SBP(mmHg) | |||
  Before | 158 (17) | 158 (8) | 0.96 |
  After | 125 (11) | 144 (17) | 0.02 |
  p value | 0.01 | 0.08 |  |
 DBP(mmHg) | |||
  Before | 86 (11) | 94 (8) | 0.08 |
  After | 72 (8) | 89 (12) | 0.01 |
  p value | 0.01 | 0.02 |  |
Self-blood pressure measurement | |||
 SBP(mmHg) | |||
  Before | 140 (9) | 151 (15) | 0.06 |
  After | 123 (10) | 142 (14) | 0.01 |
  p value | 0.02 | 0.02 |  |
 DBP(mmHg) | |||
  Before | 78 (8) | 91 (15) | 0.07 |
  After | 73 (7) | 86 (14) | 0.04 |
  p value | 0.11 | 0.09 |  |