Table 3.

Oxidative stress markers baseline and postintervention by group.

	Control n = 23	Tai Chi n = 31	Walking n = 43
Lipoperoxides (µmol/L)
Baseline	0.280 ± 0.07	0.287 ± 0.01	0.244 ± 0.01
Postintervention	0.297 ± 0.10	0.257 ± 0.09*	0.330 ± 0.01**
SOD (U/mL)
Baseline	171 ± 15	169 ± 8	176 ± 7
Postintervention	171 ± 8	178 ± 9*	177 ± 9
GPx (U/L)
Baseline	7381 ± 2694	6225 ± 2869	7756 ± 2697
Postintervention	8154 ± 4208	8410 ± 4084	11600 ± 6779**
TAS (mmol/L)
Baseline	1.07 ± 0.23	0.82 ± 0.28	0.95 ± 0.3
Postintervention	1.03 ± 0.19	1.04 ± 0.16	1.01 ± 0.13
SOD/GPx
Baseline	25 ± 12	34 ± 20	26 ± 13
Postintervention	37 ± 28	37 ± 27	16 ± 15
OxS-score
Baseline	1.1 ± 0.1	2.6 ± 1.1	1.8 ± 1.4
Postintervention	2.0 ± 0.9	0.9 ± 0.8**	1.1 ± 0.8**

ANOVA test, one time. *P < 0.05, **P < 0.001, SOD: superoxide dismutase, GPx: glutathione peroxidase, TAS: Total antioxidant status, GAP: Antioxidant Gap, OxS-score: Oxidative Stress score.