Table 1

Baseline characteristics and clinical and laboratory data of the patients included in the COPED-PAO study

All patients (n=377)Patients with copeptin levels >25.9 pmol/l (n=114)Patients with copeptin levels ≤25.9 pmol/l (n=263)p Value
Baseline characteristics
 Age (years) (mean (SD)72 (13)70 (13)75 (11)<0.001
 Male gender (n (%))258 (68.8)82 (72.6)176 (67.2)0.36
 Arterial hypertension (n (%))281 (74.5)90 (78.9)191 (72.6)0.24
 Diabetes mellitus (n (%))141 (37.8)44 (39.3)97 (37.2)0.79
 Dyslipemia (n (%))202 (53.9)59 (52.2)143 (54.6)0.76
 Current smoker (n (%))118 (31.6)29 (25.7)89 (34.1)0.14
 Family history of early ischaemic cardiomyopathy (n (%))37 (10.0)9 (8.1)28 (10.8)0.54
 Personal history of ischaemic cardiomyopathy (n (%))132 (35.2)45 (39.8)87 (33.2)0.27
 On treatment with ASA (n (%))203 (54.1)57 (50.9)146 (55.5)0.48
 Previous episode of acute heart failure (n (%))61 (16.4)31 (27.4)30 (11.6)<0.001
 Previous cerebrovascular disease (n (%))42 (11.2)14 (12.3)28 (10.7)0.66
 Renal failure (creatinine >1.3 mg/dl) (n (%))45 (12.1)24 (21.4)21 (8.0)0.001
 Chronic pneumopathy (n (%))49 (13.2)16 (14.4)33 (12.6)0.77
Acute episode characteristics
 Time from start of symptoms to ED arrival (in minutes) (median (25–75 percentiles))90 (30–180)120 (30–195)90 (30–120)0.31
 Systolic blood pressure at ED arrival <100 mm Hg (n (%))6 (1.6)4 (3.5)2 (0.8)0.07
 Systolic blood pressure at ED arrival >160 mm Hg (n (%))110 (29.5)24 (21.2)86 (33.1)<0.05
 Respiratory rate above 20 breaths per minute (n (%))31 (10.6)13 (15.5)18 (8.6)0.13
 Room-air pulsioxymetry <90% (n (%))5 (2.2)3 (4.7)2 (1.3)0.14
 Heart rate >100 beats per minute (n (%))38 (10.1)16 (14.2)22 (8.4)0.13
 Blood urea nitrogen >mg/dl (n (%))174 (52.1)66 (68.8)108 (45.4)<0.001
 Hyponatremia (Na <135 mEq/l) (n (%))27 (7.2)9 (8.0)18 (6.8)0.85
 Hypokalemia (K <3.5 mEq/l) (n (%))14 (3.9)5 (4.6)9 (3.5)0.57
 Any raised troponin during ED stay (n (%))183 (48.5)77 (67.5)106 (40.3)<0.001
 Hospital admission (n (%))366 (97.1)111 (97.4)255 (97.1)0.94
  • Data in italics Baseline clinical characteristics and acute (current) episode characteristics (includins clinical and laboratory data) of the patients included in COPED-PAO study.

  • ASA, acetylsalicylic acid; COPED, COPeptin in Emergency Department; ED, emergency department.