The Effect of Park and Urban Environments on Coronary Artery Disease Patients: A Randomized Trial

Table 4

The changes (mean (SE)) of hemodynamic parameters between the first and the seventh day exposure in urban and park environments.

Measurements at day 1 and day 7	Urban exposure changes in mean (SE)	value	Park exposure changes in mean (SE)	value
SBP, mm Hg before test	1.22 (3.9)	0.336	−4.70 (6.0)	0.456
DBP, mm Hg before test	−0.11 (2.3)	0.453	−4.20 (2.2)	0.031
HR, b/min before test	−1.56 (1.9)	0.348	−1.3 (3.3)	0.500
SBP, mm Hg 3 h after test	1.30 (2.8)	0.469	−6.5 (3.7)	0.049
DBP, mm Hg 3 h after test	1.93 (3.8)	0.422	−6.29 (2.4)	0.014
HR, b/min 3 h after test	−4.16 (3.5)	0.172	−1.79 (1.6)	0.188
Peak SBP, mm Hg	5.5 (3.2)	0.156	−3.8 (5.8)	0.262
Peak DBP, mm Hg	0 (2.3)	0.453	−4.3 (3.3)	0.234
Peak heart rate, b/min	2.63 (4.0)	0.223	0.33 (3.7)	0.422
Exercise duration, min	0.26 (0.3)	0.230	1.10 (0.28)	0.004
Work load, W	9.8 (9.8)	0.500	30.9 (13.0)	0.063
Heart rate recovery, b/min	6.75 (4.5)	0.121	5.89 (2.6)	0.037
Pulse wave velocity m/s	0.37 (0.9)	0.410	0.35 (0.8)	0.321

Exact one-tailed value of Wilcoxon test.