Table 2.
Physiological values produced by the four rooftop images. Control: no vegetation with concrete floor; type G: grass vegetation; type GS: grass-shrubs vegetation; type GST: grass-shrubs-trees vegetation; n = 15, significance verified by ANOVA.
| Parameters | Types | Mean | SE | Significance |
|---|---|---|---|---|
| HRV_HF (ms2) |
Control | 327.4 | 60.1 | p < 0.05 |
| G | 454.2 | 64.7 | ||
| GS | 615.5 | 63.0 | ||
| GST | 506.6 | 79.1 | ||
| HRV_LF/HF (ratio) |
Control | 4.7 | 1.2 | n.s. |
| G | 3.0 | 0.4 | ||
| GS | 2.9 | 0.8 | ||
| GST | 2.4 | 0.4 | ||
| Diastolic Blood Pressure (mmHg) |
Control | 74.0 | 5.3 | n.s. |
| G | 68.3 | 2.4 | ||
| GS | 66.9 | 2.0 | ||
| GST | 65.6 | 2.8 | ||
| Systolic Blood Pressure (mmHg) |
Control | 131.1 | 2.0 | p < 0.01 |
| G | 125.3 | 2.1 | ||
| GS | 119.5 | 1.9 | ||
| GST | 121.1 | 2.2 | ||
| Pulse rate (beats/min) |
Control | 77.8 | 2.6 | n.s. |
| G | 74.4 | 2.3 | ||
| GS | 75.5 | 2.5 | ||
| GST | 75.3 | 1.2 |