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Table 1 Patient characteristics

From: Delay in seeking treatment before emergent heart failure readmission and its association with clinical phenotype

  Early
(n = 1802)
Delayed
(n = 271)
P value
Patient characteristics
 Age, year 78.5 ± 11.1 77.5 ± 13.1 0.23
 Sex, female % 57.1 55.7 0.67
Past medical history
 Coronary artery disease, % 40.4 28.8 < 0.001
 Hypertension, % 64.3 60.9 0.27
 Diabetes mellitus, % 38.1 39.5 0.67
 Dyslipidemia, % 28.9 26.9 0.51
 Atrial fibrillation, % 35.8 45.1 0.003
 Dialysis, % 5.8 2.6 0.03
 Cerebrovascular disease, % 11.3 10.3 0.65
Primary etiology of heart failure
 Ischemic heart disease, % 28.2 24.4 0.19
 Hypertensive heart disease, % 17.9 11.1 0.005
 Arrhythmia, % 6.3 8.5 0.17
 Cardiomyopathy, % 10.6 11.8 0.55
 Valvular heart disease,% 20.3 23.2 0.27
 Others, % 16.8 21.0 0.08
Laboratory data at admission
 Hb, mg/dl 11.6 ± 2.3 11.4 ± 2.2 0.09
 BNP, pg/ml 800 (458 to 1475) 800 (428 to 1412) 0.14
 Cr, mg/dl 1.26 (0.90 to 1.91) 1.26 (0.92 to 1.76) 0.14
Echocardiographic findings
 LVEF, % 42.0 ± 15.9 42.4 ± 16.8 0.74
 Heart failure with preserved ejection fraction, % 33.1 36.2 0.27
 Heart failure with mid-range ejection fraction, % 21.5 17.3
 Heart failure with reduced ejection fraction, % 45.4 46.5
Vital signs at admission
 Heart rate, bpm 98.6 ± 26.3 91.8 ± 24.4 < 0.001
 Respiration rate, times/m 23.2 ± 9.7 20.4 ± 8.4 < 0.001
 Systolic blood pressure, mmHg 150.4 ± 37.4 138.3 ± 33.3 < 0.001
 Percutaneous saturation of oxygen 93.3 ± 10.8 94.1 ± 12.9 0.25
  1. Hb hemoglobin concentration, BNP plasma brain natriuretic peptide concentration, Cr serum creatinine concentration, LVEF left ventricular ejection fraction