Table 1

Baseline characteristics of patients who died vs survived

In-hospital survivors
(n=5433)
In-hospital deaths
(n=342)
P value
Age (years)64.92±11.9872.13±11.16<0.01
Male3754/5433 (69.1)187/342 (54.7)<0.01
BMI (kg/m2)24.09±3.0523.02±3.11<0.01
DM1249/5418 (23.1)98/342 (28.7)0.02
Hypertension3154/5423 (58.2)209/342 (61.1)0.28
Hyperlipidaemia456/5421 (8.4)14/342 (4.1)<0.01
LVEF (%)55.10±11.7646.75±13.01<0.01
Previous angina2074/5408 (38.4)144/342 (42.1)0.17
Previous MI (>1 month)585/5411 (10.8)63/342 (18.4)<0.01
Previous heart failure263/5412 (4.9)48/342 (14.0)<0.01
Previous PCI358/5400 (6.6)12/342 (3.5)<0.01
Previous CABG48/5411 (0.9)4/342 (0)0.55
Previous stroke542/5410 (10.0)46/342 (13.5)0.05
Previous renal dysfunction137/5400 (2.5)15/341 (4.4)0.06
Previous COPD131/5382 (2.4)16/340 (4.7)0.02
Family history of premature CAD168/5417 (3.1)6/342 (1.8)0.13
Previous peripheral vascular disease64/5406 (1.2)5/342 (1.5)0.60
Smoking status<0.01
 Current smoker1967/5406 (36.4)60/339 (17.7)
 Previous smoker721/5406 (13.3)46/339 (13.6)
 Non-smoker2718/5406 (50.3)233/339 (68.7)
Prior use of medication (within 1 week)
 Aspirin1003/5405 (18.6)69/339 (20.4)0.42
 Thienopyridines338/5386 (6.3)29/339 (8.6)0.11
 Statins764/5327 (14.3)54/334 (16.2)0.36
 HR (beats/min)79.19±19.9089.97±25.39<0.01
 SBP (mm Hg)134.64±25.67121.87±28.71<0.01
Killip classification<0.01
 I3873/5393 (71.8)127/339 (37.5)
 II989/5393 (18.3)93/339 (27.4)
 III382/5393 (7.1)52/339 (15.3)
 IV149/5393 (2.8)67/339 (20.3)
ST segment depression2917/5340 (54.6)223/335 (66.6)<0.01
Heart arrest29/5404 (0.5)14/340 (4.1)<0.01
Time to hospital0.68
 1–7 days2139/5345 (40.0)140/334 (41.9)
 12–24 hours758/5345 (14.2)40/334 (12.0)
 6–12 hours772/5345 (14.4)54/334 (16.2)
 <6 hours1676/5345 (31.4)100/334 (30.5)
PLT (109/L)208.26±72.23217.53±117.260.16
Hb (g/L)131.81±21.95121.82±26.27<0.01
WBC (109/L)9.06±3.4312.00±5.84<0.01
Cr (µmol/L)88.33±60.49131.09±104.95<0.01
K+(mmol/L)3.96±0.504.18±0.77<0.01
  • BMI, body mass index; CABG, coronary artery bypass grafting; CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease; Cr, creatinine; DM, diabetes mellitus; Hb, haemoglobin; HR, heart rate; LVEF, left ventricular ejection fraction; MI, myocardial infarction; PCI, percutaneous coronary intervention; PLT, platelet count; SBP, systolic blood pressure; WBC, white blood cell count.