. 2016 Jun 30;11:30. doi: 10.1186/s13020-016-0102-0

Table 3.

Erythrocyte antioxidative enzymes in placebo and SWT treated healthy subjects

Group	SOD (IU/g Hb)	p value*	CAT (IU/g Hb)	p value*	GPx (IU/g Hb)	p value*	GR (IU/g Hb)	p value*
Baseline
Placebo	1475.85 ± 155.91^a	0.59	562.82 ± 91.86^a	0.97	51.04 ± 8.61^a	0.99	10.45 ± 1.69^a	0.86
SWT	1478.86 ± 230.38^c	0.59	565.13 ± 89.02^c	0.97	51.02 ± 8.90^b	0.99	10.54 ± 1.80^b	0.86
3rd month
Placebo	1471.12 ± 183.53^a	0.01	553.14 ± 66.28^a	0.001	51.08 ± 6.99^a	0.63	10.90 ± 1.98^a	0.01
SWT	1572.01 ± 238.24^b	0.01	677.61 ± 98.83^b	0.001	51.82 ± 8.97^a	0.63	11.94 ± 2.34^a	0.01
6th month
Placebo	1475.67 ± 165.34^a	0.001	569.36 ± 72.39^a	0.001	51.61 ± 7.05^a	0.46	10.86 ± 2.01^a	0.02
SWT	1812.47 ± 343.74^a	0.001	803.32 ± 93.10^a	0.001	52.59 ± 6.86^ab	0.46	11.93 ± 2.66^a	0.02

Values were expressed as mean ± SD (n = 55). Data within the same column of each group bearing different superscript letters were significantly different (p < 0.05)

* Student’s t test was used to assess statistical significance between placebo and Si Wu Tang (SWT)