Table 1. Baseline characteristics.

Variable	Pattern of statin therapy use				P
	Group I	Group II	Group III	Group IV
	(n = 2,653)	(n = 309)	(n = 157)	(n = 465)
Age, yrs	62 ± 13	63 ± 12	64 ± 14	66 ± 13	< 0.001
Male	2,010 (76)	213 (69)	119 (76)	342 (74)	0.071
Risk factor (%)
Hypertension	1,194 (46)	149 (49)	77 (50)	204 (45)	0.439
Diabetes mellitus	599 (23)	92 (30)	30 (20)	123 (27)	0.007
Current smoker	1,260 (49)	129 (44)	76 (50)	195 (44)	0.048
Lipid profile
TC, mg/dL	188 ± 44	178 ± 46	181 ± 45	168 ± 41	< 0.001
Triglycerides, mg/dL	133 ± 102	133 ± 98	133 ± 135	116 ± 108	0.016
HDL-C, mg/dL	44 ± 13	44 ± 17	45 ± 17	43 ± 13	0.124
LDL-C, mg/dL	121 ± 38	112 ± 39	115 ± 34	103 ± 35	< 0.001
Prior PCI	100 (4)	23 (7)	6 (4)	18 (4)	0.022
Prior angina pectoris	94 (4)	10 (3)	3 (2)	10 (2)	0.335
Prior CABG	6 (0.2)	0	0	1 (0.2)	0.789
Prior stroke	153 (6)	22 (7)	3 (2)	27 (6)	0.147
CHF NYHA class > 2	16 (0.6)	4 (1.3)	2 (1.3)	5 (1.1)	0.358
Killip class > 1	744 (31)	100 (35)	37 (26)	172 (41)	< 0.001
LVEF < 45%	363 (15)	43 (19)	18 (13)	86 (23)	0.002
Systolic BP	129 ± 29	125 ± 31	124 ± 25	119 ± 31	< 0.001
Diastolic BP	79 ± 18	77 ± 19	76 ± 17	73 ± 20	< 0.001
Prior statin use	154 (6)	18 (6)	3 (2)	15 (3)	0.028

Results are presented as mean ± SD or n (%). Patterns of statin therapy use: Group I, statin therapy both during hospitalization and after discharge; Group II, only during hospitalization; Group III, only after discharge; and Group IV, no statin therapy. BP: blood pressure; CABG: coronary artery bypass graft; CHF: congestive heart failure; HDL-C: high-density lipoprotein-cholesterol; LDL-C: low-density lipoprotein-cholesterol; LVEF: left ventricular ejection fraction; NYHA: New York Heart Association; PCI: percutaneous coronary intervention; TC: total cholesterol.