Table 3.
Subgroup analysis of home SBP after inhalation.
| Group | Pretest | Posttest | Difference (posttest and pretest) |
Kruskal-Wallis χ 2 |
P | |
|---|---|---|---|---|---|---|
| SBP | ||||||
| Aromatherapy (n = 13) |
130.8 ± 5.65 | 125.8 ± 6.00 | −4.96 ± 1.89a | |||
| Prehypertension | Placebo (n = 10) |
130.0 ± 7.91 | 130.3 ± 8.10 | 0.33 ± 1.62b | 22.479 | <.001 |
| Control (n = 14) |
130.8 ± 7.45 | 131.4 ± 7.37 | 0.55 ± 2.35b | |||
| Aromatherapy (n = 15) |
133.5 ± 5.54 | 129.1 ± 5.14 | −4.47 ± 2.00a | |||
| Hypertension | Placebo (n = 17) |
135.2 ± 8.42 | 136.5 ± 8.69 | 1.35 ± 1.64b | 28.615 | <.001 |
| Control (n = 14) |
135.5 ± 5.66 | 136.3 ± 5.94 | 0.78 ± 1.68b | |||
|
| ||||||
| DBP | ||||||
| Aromatherapy (n = 13) |
84.1 ± 5.00 | 83.2 ± 5.30 | −0.95 ± 1.67 | |||
| Prehypertension | Placebo (n = 10) |
82.9 ± 6.47 | 83.0 ± 6.98 | 0.08 ± 1.79 | 2.511 | .285 |
| Control (n = 14) |
82.9 ± 6.88 | 82.7 ± 6.83 | −0.23 ± 1.73 | |||
| Aromatherapy (n = 15) |
87.2 ± 5.58 | 85.7 ± 5.43 | −1.45 ± 1.38a | |||
| Hypertension | Placebo (n = 17) |
84.4 ± 7.97 | 84.7 ± 8.73 | 0.30 ± 2.08b | 8.223 | .016 |
| Control (n = 14) |
87.0 ± 6.63 | 86.7 ± 7.12 | −0.31 ± 1.62b | |||
Values are expressed as mean ± standard deviation; Different superscripts (a, or b) indicate a significant difference (Tukey's test; P < .05); BP: blood pressure.