Relationship between small dense low density lipoprotein and cardiovascular events in patients with acute coronary syndrome undergoing percutaneous coronary intervention

Table 4 Hazard ratios for cardiovascular events according to sdLDL-C quartile and different LDL-C level and diabetes status

	Quartile 1	Quartile 2	Quartile 3	Quartile 4	p for trend
	Quartile 1	HR (95% CI)		Quartile 4	p for trend
Non-diabetes	1 (reference)	0.963 (0.34–2.75)	1.91 (0.79–4.6)	2.98 (1.28–6.95)*	0.014
Diabetes	1 (reference)	1.48 (0.89–2.46)	1.49 (0.90–2.47)	2.30 (1.45–3.67)*	0.004
LDL-C < 55 mg/dL	1 (reference)	0.41 (0.08–2.10)	1.49 (0.47–4.68)	3.94 (1.46–10.60)*	0.001
LDL-C ≥ 55 mg/dL	1 (reference)	1.15 (0.78–1.69)	1.33 (1.86–2.64)*	2.1 (1.56–3.09)*	< 0.001

Values expressed are hazard ratio (95% confidence interval). sdLDL-C small dense low-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, HR hazard ratio, CI indicates confidence interval. *p < 0.05. Adjusted for age, gender, BMI, smoking status, hypertension, previous MI, previous stroke, syntax score, number of stents, total length of stents, TG, LDL-C, HDL-C, HbA1C, high sensitivity C-reactive protein, lipid-lowering medication use

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