Table 3.
Changes of heart rates of six chest leads in times and groups
| Pre | Post | Wilcoxon test a)
|
|
|---|---|---|---|
| Z (P) | |||
| V1 | |||
| Ylang-Ylang group | 64.13± 2.27 | 60.20± 2.09 | −2.532 (0.011) |
| Control group | 63.36± 2.87 | 65.71± 3.10 | −0.974 (0.330) |
| Mann-Whitney U test b) Z (P) | −0.219 (0.827) | −1.268 (0.205) | |
| V2 | |||
| Ylang-Ylang group | 63.73± 2.06 | 59.33± 2.23 | −2.861 (0.004) |
| Control group | 63.43± 2.46 | 64.21± 2.70 | −0.094 (0.925) |
| Mann-Whitney U test b) Z (P) | −0.044 (0.965) | −1.246 (0.213) | |
| V3 | |||
| Ylang-Ylang group | 63.80± 2.29 | 59.33± 2.35 | −2.423 (0.015) |
| Control group | 61.14± 2.44 | 64.50± 2.69 | −1.508 (0.131) |
| Mann-Whitney U test b) Z (P) | −0.656 (0.512) | −1.399 (0.162) | |
| V4 | |||
| Ylang-Ylang group | 66.13± 2.17 | 60.07± 2.25 | −2.340 (0.019) |
| Control group | 62.71± 2.72 | 64.43± 2.60 | −0.597 (0.551) |
| Mann-Whitney U test b) Z (P) | −0.963 (0.336) | −1.225 (0.220) | |
| V5 | |||
| Ylang-Ylang group | 66.40± 2.44 | 58.40± 2.31 | −3.185 (0.001) |
| Control group | 62.93± 3.13 | 65.50± 2.44 | −0.865 (0.387) |
| Mann-Whitney U test b) Z (P) | −0.831 (0.406) | −2.229 (0.026) | |
| V6 | |||
| Ylang-Ylang group | 65.73± 2.96 | 58.40± 2.12 | −2.986 (0.003) |
| Control group | 64.07± 2.78 | 64.50± 2.77 | −0.175 (0.861) |
| Mann-Whitney U test b) Z (P) | −0.066 (0.948) | −1.531 (0.126) |
All data represents mean± standard error mean (SEM).
a)
Represents the statistical analysis method between pre and post.
b)
Means the statistical analysis method between Ylang-Ylang group and control group.