Table 2.
The comparison of step-down amplitude (mmHg) after treatment in the four groups and smoothness index (SI) (mean ± SD)
| Parameters | Group A (20 cases) | Group B (21 cases) | Group C (23 cases) | Group D (22 cases) | F | P |
|---|---|---|---|---|---|---|
| Reduction of SBP in daytime | 30.5±11.2 | 31.3±13.5 | 35.0±12.6 | 28.8±14.0 | 0.93 | 0.43 |
| Reduction of SBP in night | 24.6±12.8 | 26.5±11.8 | 22.8±14.6 | 23.7±9.7 | 0.35 | 0.79 |
| Reduction of SBP in 24 h | 28.7±11.9 | 30.5±10.5 | 28.5±15.4 | 24.9±10.6 | 0.78 | 0.51 |
| Reduction of DBP in daytime | 16.8±6.5 | 18.6±6.9 | 18.2±10.5 | 14.8±6.9 | 1.02 | 0.39 |
| Reduction of DBP in night | 14.4±8.7 | 15.4±6.9 | 15.3±9.5 | 15.0±7.5 | 0.06 | 0.98 |
| Reduction of DBP in 24 h | 15.9±6.9 | 18.0±7.9 | 16.6±9.1 | 14.6±6.3 | 0.74 | 0.53 |
| Reduction of SI of SBP in daytime | 2.1±1.6 | 2.2±1.1 | 2.3±1.2 | 1.8±0.8 | 0.72 | 0.54 |
| Reduction of SI of SBP in night | 1.6±0.9 | 2.1±1.4 | 1.4±0.9 | 1.6±0.6 | 1.97 | 0.12 |
| Reduction of SI of SBP in 24 h | 1.5±0.6 | 2.1±1.2 | 1.5±0.8 | 1.5±0.5 | 2.84 | 0.04 |
| Reduction of SI of DBP in daytime | 1.6±1.2 | 1.4±1.1 | 1.4±1.1 | 1.5±0.8 | 0.17 | 0.92 |
| Reduction of SI of DBP in night | 1.3±0.8 | 1.6±0.7 | 1.2±0.5 | 1.5±0.9 | 1.34 | 0.27 |
| Reduction of SI of DBP in 24 h | 1.4±0.7 | 1.6±0.7 | 1.3±0.6 | 1.4±0.5 | 0.87 | 0.46 |