Table 1

Baseline characteristics

DES
276 (42%)
BMS
376 (58%)
p Value
Demographic data
Age (years)66 (54–74)72 (60–78)<0.001
Female gender28 (63/276)34 (128/376)0.002
Body mass index (kg/m²)27 (25–30)27 (25–30)0.89
Cardiovascular risk factors
Arterial hypertension6 (181/274)67 (250/371)0.72
Dyslipidaemia45 (122/273)29 (106/371)<0.001
Diabetes mellitus29 (79/274)36 (133/372)0.06
Current smoker39 (106/273)32 (117/370)0.06
Peripheral arterial disease12 (32/276)13 (48/374)0.63
Prior myocardial infarction20 (54/276)9 (72/374)0.92
Prior stroke7 (19/276)7 (25/374)0.92
ECG on admission
ST-segment elevation myocardial infarction74 (201/271)80 (294/368)0.11
Anterior myocardial infarction50 (135/272)38 (140/368)0.003
Atrial fibrillation8 (22/276)16 (59/376)0.003
Clinical course before PCI
Fibrinolysis therapy ≤24 hours7 (19/276)9 (33/376)0.38
Resuscitation48 (131/276)45 (169/376)0.52
Mechanical ventilation at admission52 (144/276)58 (218/376)0.14
Mean arterial pressure (mm Hg)72 (62–85)67 (57–80)<0.001
Laboratory results
Serum lactate (mmol/L)3.4 (1.8–7.0)3.9 (2.2–7.6)0.05
Creatine kinase (µkat/L)5.6 (2.6–18.9)7.0 (3.0–20.2)0.14
Serum creatine (µmol/L)106 (88–141)119 (97–154)0.007
C reactive protein (mg/L)6.8 (2.0–29.0)8.7 (3.4–47.6)0.05
International normalised ratio1.1 (1.0–1.4)1.2 (1.1–1.5)0.002
Haemoglobine (mmol/L)8.4 (7.6–9.1)8.1 (6.9–9.0)0.002
Leucocytes (109/L)14.0 (10.5–18.1)14.2 (10.7–18.5)0.96
Blood glucose (mmol/L)11.6 (8.1–16.7)11.5 (8.0–17.2)0.66
  • Values are % (n/N) or median and IQR.

  • BMS, bare-mental stent; DES, drug-eluting stent; PCI, percutaneous coronary intervention.