Table 1

Patient baseline characteristics stratified by type of acute myocardial infarction (STEMI vs NSTEMI)

STEMI, n=1856NSTEMI, n=2714P valueAll AMI, n=4570Missing, n (%)
Variables
 Age (years), mean (SD)60.9 (11.5)65.5 (11.9)<0.00163.6 (11.9)17 (0.4)
 Women, n (%)432 (23.3)720 (26.6)0.0121152 (25.2)15 (0.3)
 IMD score, median (IQR)19.1 (11.0–34.2)18.1 (11.0–30.4)0.01018.5 (11.0–31.8)264 (5.8)
 BMI, median (IQR), kg/ m2 27.3 (24.8–30.9)28.2 (25.3–31.7)<0.00127.8 (25.1–31.3)1794 (39.3)
 Ex/current smoking status, n (%)1251 (67.4)1761 (64.9)<0.0013012 (65.9)143 (3.1)
 Caucasian, n (%)1415 (76.2)2071 (76.3)0.2183486 (76.3)1004 (22.0)
 Family history of CHD, n (%)696 (37.5)998 (36.8)0.2951694 (37.1)599 (13.1)
Comorbidities
 Previous PCI, n (%)68 (3.7)245 (9.0)<0.001313 (6.9)170 (3.7)
 Previous CABG surgery, n (%)39 (2.1)251 (9.3)<0.001290 (6.4)168 (3.7)
 Previous AMI, n (%)127 (6.8)506 (18.6)<0.001633 (13.9)169 (3.7)
 Previous angina, n (%)162 (8.7)734 (27.0)<0.001896 (19.6)169 (3.7)
 Chronic renal failure, n (%)17 (0.9)106 (3.9)<0.001123 (2.69%)180 (3.9)
 Hypertension, n (%)644 (34.7)1306 (48.1)<0.0011950 (42.7)178 (3.9)
 Chronic heart failure, n (%)6 (0.3)72 (2.7)<0.00178 (1.71)177 (3.9)
 Hypercholesterolaemia, n (%)469 (25.3)927 (34.2)<0.0011396 (30.6)216 (4.7)
 Peripheral vascular disease, n (%)43 (2.3)109 (4.0)0.002152 (3.3)302 (6.6)
 Asthma/COPD, n (%)184 (9.9)370 (13.6)0.001554 (12.1)188 (4.1)
 Cerebrovascular disease, n (%)52 (2.8)134 (4.9)0.001186 (4.1)180 (3.9)
 Diabetes mellitus, n (%)202 (10.9)524 (19.3)<0.001726 (15.9)93 (2.0)
Treatments during hospitalisation
 PCI, n (%)654 (35.2)1169 (43.1)<0.0011823 (39.9)735 (16.1)
 CABG surgery, n (%)36 (1.9)296 (10.9)<0.001332 (7.3)735 (16.1)
Discharge medications
 Aspirin, n (%)1720 (92.7)2228 (82.1)<0.0013948 (86.4)142 (3.1)
 Beta blocker, n (%)1650 (88.9)2031 (74.8)<0.0013681 (80.6)144 (3.2)
 Statins, n (%)1714 (92.4)2245 (82.7)<0.0013959 (86.6)141 (3.1)
 ACEi, n (%)1658 (89.3)2061 (75.9)<0.0013719 (81.4)161 (3.5)
Cardiac rehabilitation
 Cardiac rehabilitation offered at baseline, n (%)1734 (93.4)2467 (90.9)<0.0014201 (91.9)264 (5.8)
Adverse cardiac events
 Deaths in hospital n (%)2 (0.1)14 (0.5)0.02216 (0.3)61 (1.3)
 Reinfarction in hospital n (%)16 (0.9)14 (0.5)0.15330 (0.7)151 (3.3)
HRQoL
 Baseline EQ-VAS, mean (SD)65.0 (19.8)63.8 (20.0)0.05164.3 (19.9)193 (4.2)
  • ACEi, ACE inhibitor; AMI, acute myocardial infarction; BMI, Body Mass Index; CABG, coronary artery bypass graft; CHD, coronary heart disease; COPD, chronic obstructive pulmonary disease; HRQoL, health-related quality of life; IMD, Index of Multiple Deprivation; NSTEMI, non-ST-elevation myocardial infarction; PCI, percutaneous coronary intervention; STEMI, ST-elevation myocardial infarction.