Table 1. Total Antioxidant Capacity, Total Oxidant Status, and Oxidative Stress Index in Male and Female Patients^{a, b}.

Groups (n)	Sex (N)	TAC, mmol Trolox Eq/L	TOS, mmol H2O2 Eq/L	OSI, Arbitrary Unit
Normal (30)	Male (12)	1.11 ± 0.24	15.45 ± 2.38	1.39 ± 0.19
	Female (18)	1.21 ± 1.09	19.92 ± 4.51	1.64 ± 0.22
Benign (30)	Male (9)	0.17 ± 0.58	16.45 ± 3.51	2.83 ± 0.27
	Female (21)	0.56 ± 0.34**	15.87 ± 1.45	9.67 ± 1.89**
PTC (30)	Male (8)	1.58 ± 0.21	17.05 ± 0.13	1.07 ± 0.15
	Female (22)	0.96 ± 0.18	22.36 ± 4.39	2.32 ± 0.24*
FTC (30)	Male (5)	0.43 ± 0.11	10.14 ± 2.4	2.35 ±0.31
	Female (25)	0.45 ± 0.08	18.85 ± 2.9	4.18 ± 0.43*
MTC (12)	Male (4)	0.19 ± 0.06	14.5 ± 3.11	7.63 ± 1.45
	Female (8)	0.38 ± 0.08*	40.7 ± 5.76**	10.71 ± 2.18
ATC (6)	Male (2)	1.8 ± 0.25	17.1 ± 2.82	0.91 ± 0.18
	Female (4)	0.83 ± 0.12	20.1 ± 3.92	2.42 ± 0.29*

Abbreviations: ATC, anaplastic thyroid cancer; FTC, follicular thyroid cancer; MTC, medullary thyroid cancer; OSI, oxidative stress index; PTC, papillary thyroid cancer; TAC, total antioxidant capacity; TOS, total oxidant status.

^aValues are expressed as mean ± SD.

^b*, P < 0.05, **, P < 0.01; *, indicates comparisons with male patients.