Table 2.

Unadjusted and adjusted analysis examining the correlations between low density lipoprotein cholesterol levels and the primary and secondary outcomes in ST elevation myocardial infarction (STEMI) and Non-ST elevation myocardial infarction (NSTEMI) patients who underwent percutaneous coronary intervention.

	All STEMI + NSTEMI patients						All STEMI + NSTEMI patients discharged alive
	Death during hospitalization		Death within 30 days from MI onset		Death within 1 year from MI onset		Rehospitalization for HF within 1 year from MI discharge		Rehospitalization for MI within 1 year from MI discharge
	HR (95% CI)	p	HR (95% CI)	p	HR (95% CI)	p	HR (95% CI)	p	HR (95% CI)	p
Unadjusted
LDL-C in mmol/l	0.77 (0.74–0.80)	<0.001	0.65 (0.62–0.68)	<0.001	0.68 (0.66–0.70)	<0.001	0.97 (0.90–1.04)	0.411	0.95 (0.89–1.03)	0.220
Ordinal categories
<1.8	1.00 (ref)		1.00 (ref)		1.00 (ref)		1.00 (ref)		1.00 (ref)
1.8–2.5	0.68 (0.60–0.78)	<0.001	0.52 (0.46–0.58)	<0.001	0.58 (0.53–0.62)	<0.001	0.90 (0.68–1.19)	0.451	1.05 (0.76–1.44)	0.783
2.6–3.3	0.56 (0.49–0.65)	<0.001	0.37 (0.32–0.42)	<0.001	0.40 (0.36–0.44)	<0.001	0.95 (0.72–1.25)	0.719	1.04 (0.76–1.42)	0.821
3.4–4.0	0.45 (0.38–0.53)	<0.001	0.26 (0.22–0.30)	<0.001	0.29 (0.26–0.32)	<0.001	0.76 (0.56–1.03)	0.078	0.86 (0.61–1.22)	0.402
4.1–4.8	0.47 (0.38–0.58)	<0.001	0.25 (0.21–0.31)	<0.001	0.26 (0.23–0.30)	<0.001	0.77 (0.55–1.08)	0.130	0.89 (0.61–1.30)	0.553
≥4.9	0.37 (0.29–0.48)	<0.001	0.22 (0.15–0.33)	<0.001	0.32 (0.28–0.37)	<0.001	0.95 (0.66–1.36)	0.775	0.88 (0.57–1.34)	0.543
Adjusted*
LDL in mmol/l	0.81 (0.76–0.87)	<0.001	0.79 (0.74–0.85)	<0.001	0.88 (0.84–0.91)	<0.001	1.01 (0.93–1.10)	0.795	0.98 (0.88–1.08)	0.640
Ordinal categories
<1.8	1.00 (ref)		1.00 (ref)		1.00 (ref)		1.00 (ref)		1.00 (ref)
1.8–2.5	0.72 (0.60–0.86)	<0.001	0.62 (0.52–0.73)	<0.001	0.77 (0.68–0.86)	<0.001	0.83 (0.59–1.16)	0.281	1.14 (0.76–1.70)	0.519
2.6–3.3	0.62 (0.50–0.76)	<0.001	0.54 (0.44–0.66)	<0.001	0.66 (0.58–0.76)	<0.001	0.97 (0.69–1.36)	0.854	1.32 (0.87–2.01)	0.190
3.4–4.0	0.56 (0.43–0.72)	<0.001	0.46 (0.36–0.59)	<0.001	0.63 (0.53–0.73)	<0.001	0.95 (0.65–1.40)	0.801	1.01 (0.63–1.61)	0.968
4.1–4.8	0.60 (0.43–0.82)	0.002	0.53 (0.40–0.70)	<0.001	0.66 (0.55–0.80)	<0.001	0.82 (0.53–1.27)	0.381	1.03 (0.62–1.73)	0.899
≥4.9	0.48 (0.34–0.70)	<0.001	0.45 (0.32–0.63)	<0.001	0.68 (0.55–0.85)	<0.001	1.12 (0.71–1.76)	0.638	1.03 (0.57–1.84)	0.930

*Adjusted for: oral medication for hyperlipidemia (yes/no/not applicable), age (numeric), sex (male/female), race (chinese/malay/indian/others), history of diabetes (yes/no), history of hypertension (yes/no), smoking status (never/former/current), history of AMI/CABG/PTCA (yes/no), BMI (numeric), Killip class on admission (1/2/3/4), CPR in ambulance/ED (yes/no), random blood glucose within 72 h from onset (numeric), creatinine on admission (numeric), haemoglobin on admission (numeric), elevated first troponin within 72 h from MI onset (yes/no), left ventricular ejection fraction <50% during hospitalization (yes/no).