Table 1

Patient characteristics according to the tertiles of NT-pro BNP levels

Total (n=829)NT-pro BNP tertiles, pg/mL
T1 (≤150.3) (n=276)T2 (150.3–667.6) (n=277)T3 (>667.6) (n=276)
Baseline characteristics
Age, years55.1±13.150.1±11.558.7±13.056.5±13.2
Male587 (70.8)224 (81.2)176 (63.5)187 (67.8)
Heart rate79.4±18.175.8±14.680.3±18.282.2±20.6
Admission SBP (mm Hg)144.5±31.9149.5±30.6143.8±31.9140.1±32.5
Admission DBP (mm Hg)77.3±19.880.3±19.977.0±18.174.5±21.1
Diabetes mellitus40 (4.8)16 (5.8)17 (6.1)7 (2.5)
Hypertension690 (83.2)232 (84.1)236 (85.2)222 (80.4)
Hyperlipidaemia180 (21.7)64 (23.2)58 (20.9)58 (21.0)
Smoking264 (31.8)111 (40.2)85 (30.7)68 (24.6)
Coronary artery disease123 (14.8)26 (9.4)43 (15.5)54 (19.6)
Previous stroke63 (7.6)18 (6.5)27 (9.7)18 (6.5)
Previous aortic disease22 (2.7)3 (1.1)13 (4.7)6 (2.2)
Previous replacement of aorta valve12 (1.4)0 (0)3 (1.1)9 (3.3)
Syncope61 (7.4)9 (3.3)23 (8.3)29 (10.5)
Coma14 (1.7)6 (2.2)6 (2.2)2 (0.7)
Shock35 (4.2)6 (2.2)9 (3.2)20 (7.2)
Time from onset to admission, hours12.0 (7.0–24.0)7.0 (5.0–13.0)12.0 (7.0–24.0)22.0 (10.0–48.0)
In-hospital assessment
Left ventricular diameter, mm49.9±7.449.3±6.748.7±6.851.7±8.3
Left ventricular ejection fraction, %58.8±7.760.6±4.959.1±6.756.5±10.0
Aortic valve regurgitation210 (25.4)47 (17.0)61 (22.2)102 (37.1)
Pericardial effusion61 (7.4)12 (4.3)20 (7.3)29 (10.5)
Artery affected
Coronary artery213 (27.0)61 (22.8)70 (26.7)82 (31.7)
Brachiocephalic trunk522 (66.2)165 (61.6)177 (67.6)180 (69.5)
Coeliac axis227 (28.8)80 (29.9)64 (24.4)83 (32.0)
Superior mesenteric artery198 (25.1)69 (25.7)62 (23.7)67 (25.9)
Renal artery211 (26.7)66 (24.6)71 (27.1)74 (28.6)
Iliac artery298 (37.8)100 (37.3)92 (35.1)100 (37.3)
Baseline biomarkers
NT-proBNP, pg/mL308.0 (104.8–974.5)74.0 (40.7–105.4)308.0 (219.0–444.9)1490.5 (974.3–3108.5)
ln NT-proBNP5.8±1.64.1±0.75.7±0.47.6±0.9
Haemoglobin, g/dL134.8±19.2140.3±18.8133.8±16.8130.3±20.5
D-dimerse, mg/L10.9 (3.8–20.0)11.3 (3.4–20.0)12.5 (4.1–20.0)9.9 (3.7–20.0)
Creatinine, μmol/L110.9±58.294.8±32.1100.4±38.6137.5±81.1
C reactive protein, mg/L11.4 (4.6–53.2)6.4 (3.3–14.8)12.8 (5.1–53.3)26.4 (9.0–80.3)
Troponin I (TnI), ng/mL0 (0–0.04)0 (0–0)0 (0–0.05)0.03 (0–0.21)
Treatment
Conservative treatment305 (36.8)62 (22.5)106 (38.3)137 (49.6)
Surgery treatment524 (63.2)214 (77.5)171 (61.7)139 (50.4)
  • Values are median (IQR) or n (%).

  • DBP, diastolic blood pressure; NT-proBNP, N-terminal pro-brain natriuretic peptide; SBP, stress blood pressure.