Table 2. Antioxidant parameters from PBMC.

Parameters (PBMC)	SLT user	Non user	Adjusted p value
TBARS (nmoles/mg of protein)	3.70 ± 0.51	3.56 ± 0.40	0.09
GSH (nmoles/mg of protein)	42.72 ± 26.40	53.25 ± 28.03	0.03*
SOD (U/g of protein)	1.26 ± 0.34	1.1 ± 0.33	0.81
Catalase (mmoles of H2O2 reduced/mg of protein)	2.08 ± 0.56	2.10 ± 0.55	0.44

Values indicate Mean  ±  SD *Adjusted p value <0.05.