Table 2. Differences among the three groups in area, Xmean and Ymean before and after olfactory stimuli with eyes open and closed.
| Condition | Variable | Group | Pre mean±SD | Post mean±SD |
|---|---|---|---|---|
| EO | Area (mm2) | BPO | 521.3±397.6 | 394.6±249.1 |
| LVO | 602.5±594.1 | 500.2±401.2 | ||
| DW | 570.0±346.5 | 458.8±290.1 | ||
| Xmean (mm) | BPO* | 22.8±16.3 | 16.2±11.9 | |
| LVO* | 21.0±14.8 | 14.3±11.5 | ||
| DW | 20.8±20.8 | 16.9±11.7 | ||
| Ymean (mm) | BPO* | −15.7±12.8 | −25.5±12.7 | |
| LVO | −17.7±15.9 | −21.1±15.9 | ||
| DW | −14.4±14.7 | −17.3±17.8 | ||
| EC | Area (mm2) | BPO | 528.1±497.4 | 563.3±364.7 |
| LVO | 580.4±510.3 | 602.7±487.1 | ||
| DW | 758.1±635.9 | 632.8±489.4 | ||
| Xmean (mm) | BPO | 21.5±13.9 | 18.2±11.8 | |
| LVO | 22.6±13.9 | 15.0±12.5 | ||
| DW | 21.3±21.8 | 17.8±15.0 | ||
| Ymean (mm) | BPO | −14.0±12.6 | −23.9±13.3 | |
| LVO | −18.3±14.8 | −19.1±15.9 | ||
| DW | −9.3±25.7 | −15.0±19.7 |
*Expressed as p<0.05. BPO, black pepper oil; LVO, lavender oil; DW, distilled water; area, area of the 95% confidence ellipse; Ymean, average anterior-posterior displacement; Xmean, average medial-lateral displacement; EO, eyes open; EC, eyes closed