Skip to main content

Table 1 Patient characteristics

From: Age-related limitations of interleukin-6 in predicting early mortality in acute ST-elevation myocardial infarction

  Survivors (n = 148) Non-survivors (n = 10) P
Demographic parameters
Age, yrs 57 (50–64) 72 (68–80) 0.0001
Gender (men,%) 70 72 1.00
BMI (kg/m2) 26.0 (24.1-28.0) 25.0 (21.0-26.8) 0.27
Medical history
Hypertension,% 45 45 1.00
Diabetes,% 13 20 0.63
Smoking,% 65 30 0.042
Previous angina,% 20 70 0.0006
Prior MI,% 9 0 0.60
Current disease
Time to treatment, hrs 3.5 (2.5-5.0) 7.0 (4.0-9.0) 0.003
Max. QRS duration, ms 90 (80–100) 100 (93–120) 0.60
EF,% 61 (50–72) 56 (45–63) 0.003
Killip-Kimball class >1,% 3 64 0.0001
Angiographic parameters
>1 vessel affected,% 47 90 0.016
TIMI (0–2) before PCI,% 93 100 1.00
TIMI (0–2) after PCI,% 32 60 0.091
CTFG 24 (30–32) 25 (31–100) 0.019
MBG (0–1),% 32 60 0.091
Abciximab,% 26 70 0.008
PCI complications,% 5 40 0.009
Laboratory findings
CPK, U/l 1649 (740–2699) 3473 (2544–4885) 0.011
CK-MB, U/l 159 (62–273) 371 (271–520) 0.014
cTnI (μg/l) 16 (3–45) 7 (1–30) 0.62
Total cholesterol, mmol/l 5.9 (5.2-7.2) 6.2 (5.6-6.8) 0.78
LDL cholesterol, mmol/l 3.9 (3.2-4.8) 3.9 (3.4-4.4) 0.93
HDL cholesterol, mmol/l 1.4 (1.2-1.7) 1.3 (1.1-1.7) 0.64
Triglycerides, mmol/l 1.5 (1.1-2.2) 1.6 (0.9-2.6) 0.93
Glucose, mmol/l 6.4 (5.6-7.7) 9.3 (7.3-14.1) 0.002
CRP (mg/l) 2.2 (0.7-6.3) 2.0 (1.3-6.0) 0.74
Creatinine, μmol/l 84 (73–96) 94 (74–127) 0.26
IL-6, pg/ml 2.0 (0.1-9.0) 8.5 (2.5-20.0) 0.032
sIL-6R, ng/ml 53.0 (41.6-66.2) 51.1 (32.9-65.1) 0.58
  1. Abbreviations: BMI body mass index, CK-MB creatine kinase-myocardial band isoform, CPK creatine phosphokinase, CRP C-reactive protein, CTFC corrected TIMI frame count, EF ejection fraction, HDL high density lipoprotein, IL-6 interleukin-6, IL-6sR interleukin-6 soluble receptor, LDL low density lipoprotein, MBG myocardial blush grade, TIMI thrombolysis in myocardial infarction scale.
  2. Comparisons were made between patients who survived and those who died within 30 days after STEMI. Values are the medians (and interquartile ranges) or percentages.