Table 3.

As-treated analysis of the effects of Tai Chi on HR and BP.

Parameters	TG, n = 18	CG, n = 12	t values	P values
Before intervention
HR, times/min	77.39 ± 6.37	76.33 ± 7.57	0.412	0.683
SBP, mmHg	128.00 ± 18.52	132.75 ± 16.10	−0.724	0.475
DBP, mmHg	70.22 ± 12.00	74.75 ± 12.06	−1.010	0.321
After intervention
HR, times/min	72.83 ± 7.12	81.50 ± 8.03	−3.106	0.004∗∗
SBP, mmHg	126.28 ± 11.97	136.67 ± 12.68	−2.275	0.031∗
DBP, mmHg	69.67 ± 13.16	79.33 ± 12.01	−2.039	0.051

Note. ^∗ P < 0.05 versus the CG group and ^∗∗P < 0.01 versus the CG group.