Potential Influential Factors of In-Hospital Myocardial Reinfarction in ST-Segment Elevation Myocardial Infarction (STEMI) Patients: Finding from the Improving Care for Cardiovascular Disease in China- (CCC-) Acute Coronary Syndrome (ACS) Project

Table 1

Clinical characteristics of STEMI patients on admission.

Variables	Total ()	Reinfarction ()	Non-reinfarction ()	value
Female (%) ()	21.7 (8678)	34 (52)	21.7 (8626)	<0.001
Age (y), mean (SD)	61.65 (12.6)	67.60 (11.1)	61.63 (12.6)	<0.001
BMI, median (quartile)	24.34 (3.63)	23.80 (4.01)	24.34 (3.62)	0.208
SBP (mmHg), mean (SD)	127.11 (23.4)	129.58 (26.1)	127.09 (23.4)	0.242
DBP (mmHg), mean (SD)	77.55 (14.7)	77.52 (15.4)	77.55 (14.7)	0.981
HR (bpm), mean (SD)	77.97 (16.5)	82.94 (17.9)	77.96 (16.5)	0.001
Cardiac shock (%) ()	4.1 (1628)	11.8 (18)	4.0 (1610)	<0.001
Heart failure (%) ()	8.9 (3511)	18.0 (27)	8.9 (3484)	<0.001
Cardiac arrest (%) ()	2.7 (1046)	7.9 (12)	2.6 (1034)	0.001
Killip class (%) ()				<0.001
I	70.6 (26853)	60 (90)	70.6 (26763)	—
II-III	24.8 (9428)	28.0 (42)	24.8 (9386)	—
IV	4.6 (1754)	12.0 (18)	4.6 (1736)	—
Transfer (%) ()	51.6 (20598)	43.1 (66)	51.6 (20532)	0.036
Mortality (%) ()	2.3 (905)	30.7 (47)	2.2 (858)	<0.001
Smoking (%) ()	47.3 (18885)	37.9 (58)	47.3 (18827)	0.002
MI history (%) ()	5.2 (2071)	20.3 (31)	5.1 (2040)	<0.001
PCI history (%) ()	4.5 (1788)	15.0 (23)	4.4 (1765)	<0.001
CABG history (%) ()	0.2 (90)	0.7 (1)	0.2 (89)	0.791
CHD family history (%) ()	2.5 (1008)	1.3 (2)	2.5 (1006)	0.481
Atrial fibrillation (%) ()	1.5 (582)	2.0 (3)	1.5 (579)	0.856
Heart failure history (%) ()	0.9 (378)	5.9 (9)	0.9 (369)	0.001
COPD history (%) ()	1.3 (523)	4.6 (7)	1.3 (516)	0.001
Renal failure (%) ()	1.1 (425)	3.9 (6)	1.1 (419)	0.001
Insufficient renal function (%) ()	22.3 (5818)	37.0 (37)	22.3 (5781)	<0.001
Valvular disease history (%) ()	0.1 (41)	0.7 (1)	0.1 (40)	0.386
Peripheral artery disease (%) ()	0.6 (247)	0.7 (1)	0.6 (246)	1
Stroke (%) ()	8.6 (3447)	14.4 (22)	8.6 (3425)	0.011
Hypertension (%) ()	64.2 (25456)	75.2 (115)	64.1 (25341)	0.004
Diabetes (%) ()	47.0 (17436)	56.4 (79)	47.0 (17357)	0.026
Elevated fasting glucose (%) ()	35.2 (12817)	42.4 (56)	35.2 (12761)	0.082
Elevated HbA1c (%) ()	37.2 (13868)	43.1 (59)	37.2 (13809)	0.157
Dyslipidaemia (%) ()	95.8 (35292)	95.0 (134)	95.8 (35158)	0.655
Elevated LDL (%) ()	86.8 (31222)	86.6 (116)	86.8 (31106)	0.946
Lowered HDL (%) ()	46.2 (16668)	36.3 (49)	46.2 (16619)	0.021
Elevated TG (%) ()	18.6 (6765)	12.6 (17)	18.7 (6748)	0.071
Anaemia (%) ()	19.8 (7262)	32.6 (46)	19.8 (7216)	<0.001
Reduced LVEF (%) ()	31.2 (9637)	50.9 (57)	31.3 (9580)	<0.001

Abbreviations: OR = odds ratio; CI = confidence interval; BMI = body mass index; SBP = systolic blood pressure; DBP = diastolic blood pressure; HR = heart rate; MI = myocardial infarction; PCI = percutaneous coronary intervention; CABG = coronary artery bypass grafting; CHD = coronary heart disease; COPD = chronic obstructive pulmonary disease; LDL = low-density lipoprotein; HDL = high-density lipoprotein; TG = triglyceride.