. 2017 Jun 29;18:281. doi: 10.1186/s12891-017-1637-7

Table 5.

Oxidative stress and antioxidative capacity measurements from synovial fluid

	Group A (placebo)	Group B (vitamin E)	P value
Oxidative agents and products
- Nitrite (μM) - Malondialdehyde (μM)	5.94 ± 1.09 1.42 ± 0.12	5.24 ± 0.91 1.06 ± 1.08	0.63 0.01^a
Antioxidative agents
- Alpha-tocopherol (μg/ml) - FRAP (mM) - TEAC (mM)	4.51 ± 0.31 999.10 ± 39.51 1.89 ± 0.06	7.03 ± 0.86 1103 ± 44.77 2.19 ± 0.1	<0.01^a 0.09 0.01^a

Data are presented as mean ± standard deviation

P value represent the test between groups

FRAP ferric reducing antioxidant power, TEAC Trolox equivalent antioxidant capacity

^aStatistically significant