Omega-3 index and smoking in patients with acute ST-elevation myocardial infarction taking statins: a case-control study in Korea

Table 4 Multivariate analysis of the odds for being a case by quartiles of the Omega-3 Index

	Acute myocardial infarction
Variables	Odds ratio (p value)	95% C.I.
Omega-3 index (%)
1^st quartile (< 8.11)*	6.383 (0.047)	1.022 - 39.853
2^nd quartile (8.11-11.00)	2.032 (0.471)	0.072 - 14.001
3^rd quartile (11.00-13.05)	2.982 (0.258)	0.105 - 19.823
4^th quartile (> 13.05)	1.000
Age*	1.073 (0.032)	1.006 - 1.144
Sex	1.301 (0.701)	0.340 - 4.980
Body mass index	1.019 (0.866)	0.822 - 1.262
Alcohol drinker	1.466 (0.568)	0.378 - 5.894
Current Smoker*	6.673 (0.005)	1.765 - 25.229

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