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

Table 2

Comparison of baseline and the seventh day exposure hemodynamic data at rest and at peak exercise as mean (SE) in patients of urban or park environment exposure.

Measurements	Urban exposure Mean (SE)	Park exposure Mean (SE)	value
First day baseline
Systolic BP baseline, mm Hg	134.7 (6.8)	135.9 (5.5)	0.382
Diastolic BP baseline, mm Hg	80.3 (3.3)	81.4 (1.7)	0.398
Heart rate baseline, beats/min	77.7 (4.0)	71.3 (3.8)	0.125
Peak SBP, mm Hg	181.4 (6.5)	191.2 (4.2)	0.133
Peak DBP, mm Hg	94.1 (3.1)	94.3 (1.6)	0.232
Peak heart rate, beats/min	125.1 (6.7)	139.7 (4.5)	0.039
Exercise duration, min	4.97 (1.43)	5.66 (0.80)	0.205
Work load, W	159.5 (24.9)	184.8 (26.0)	0.144
Heart rate recovery, beats/min	20.6 (5.6)	23.4 (2.7)	0.122
Pulse wave velocity m/s	9.94 (0.8)	9.67 (1.0)	0.452
Seventh day baseline
Systolic BP baseline, mm Hg	135.9 (5.7)	131.2 (6.0)	0.217
Diastolic BP baseline, mm Hg	80.2 (3.9)	77.2 (2.7)	0.324
Heart rate baseline, beats/min	76.1 (4.1)	70.0 (3.2)	0.163
Peak SBP, mm Hg	186.9 (7.4)	187.4 (5.5)	0.340
Peak DBP, mm Hg	94.1 (3.1)	90.0 (2.9)	0.209
Peak heart rate, beats/min	127.8 (6.8)	139.2 (5.5)	0.043
Exercise duration, min	5.23 (1.31)	6.69 (0.90)	0.158
Work load, W	169.3 (32.0)	215.4 (26.3)	0.076
Heart rate recovery, beats/min	27.4 (3.5)	31.0 (2.9)	0.152
Pulse wave velocity m/s	10.3 (0.9)	10.0 (1.0)	0.475

Exact one-tailed value of Mann-Whitney test.