Table 4.

Correlation of reactive oxygen species (ROS) and TAC with the clinical outcomes.

References	n	TAC	ROS	cTn	CK-MB	LVEF	POAF	LOS ICU	LOS hospital
Shafiei et al. (25)	58		MDA
Pasupathy et al. (27)	112		MDA
Ozaydin et al. (36, 37)	172	TAC	TOS
Kurian et al. (40)	50	SOD, GR	MDA
Karahan et al. (49)	44		MDA
Prabhu et al. (42)	53	GSH	MDA
Köksal et al. (44)	30	GPX	MDA
Koramaz et al. (48)	30		MDA
Eren et al. (53)	20		MDA

n, indicates sample size; ROS, reactive oxygen species; TAC, total antioxidant capacity; cTn, cardiac troponin; CK-MB, creatine kinase muscle band; LVEF, left ventricular ejection fraction; POAF, post-operative atrial fibrillation; LOS, length of stay; ICU, intensive care unit; SOD, superoxide dismutase; GR, glutathione reductase; GSH, reduced glutathione; GPX, glutathione peroxidase; MDA, malondialdehyde; TOS, total oxidative stress. indicates increase. indicates decrease. indicates minor increase. indicates no change.