Antarctic Krill Oil Attenuates Oxidative Stress via the KEAP1-NRF2 Signaling in Patients with Coronary Heart Disease

Table 2

Baseline characteristics between the two groups.

Parameters	IG	CG	t/χ^2/f-ratio	values
Age (age)	60.30 ± 8.40	58.56 ± 12.23	0.625^a	0.525
Male, n (%)	26 (52.00)	24 (48.00)	1.920^b	0.383
Smoking, n (%)	25 (50.00)	22 (44.00)	0.361^b	0.548
Education level, n (%)
Junior high school and below	30 (60.00)	35 (70.00)	1.099^b	0.295
High school and above	20 (40.00)	15 (30.00)	—	—
BMI (kg/m^2)	23.95 ± 3.16	23.64 ± 4.06	0.091^a	0.913
CSA, cases (%)
Grade 0	4 (8)	3 (6)	0^c	1
Grade I	4 (8)	6 (12)
Grade II	28 (56)	25 (50)
Grade III	12 (24)	13 (26)
Grade IV	2 (4)	3 (6)
Drug history, cases (%)
Antilipidemic	6 (12)	5 (10)	0^c	1
Hypoglycemic	2 (4)	3 (6)
Nitrates	10 (20)	11 (22)
Beta-blocker	24 (48)	22 (44)
Calcium antagonists	3 (6)	5 (10)
ACE-inhibitors	4 (8)	3 (6)
Diuretics	1 (2)	1 (2)

Note: CAS, coronary artery spasm, refers to a sudden, intense vasoconstriction of an epicardial coronary artery which results in vessel occlusion or near occlusion. CAS was measured by 18F-fluorodeoxyglucose (18F-FDG). a stands for t values, b stands for χ² values, and c stands for f-ratio. n = 50 in each group, and the statistical difference was insignificant if .