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Table 1 Baseline characteristics of patients and univariate Cox proportional analysis for all-cause death

From: Effect of cardiovascular risk factors and time of hospital presentation on mortality of maintenance hemodialysis patients presenting with acute pulmonary edema

  Total (n = 68) Hazard ratio p
Demographics
 Age (years) 68.9 ± 9.9 1.06 0.003*
 Male, n (%) 45 (66.2) 2.03 0.08
 Body mass index (kg/m2) 21.1 (19.1–24.3) 0.95 0.30
Maintenance hemodialysis data
 Etiology of kidney disease
  Diabetic nephropathy, n (%) 44 (64.7) 1.16 0.70
  Nephrosclerosis, n (%) 6 (8.8) 1.74 0.33
  Others, n (%) 18 (26.5) 0.65 0.30
 Duration of maintenance hemodialysis (months) 55.5 (27.3–85.5) 1.00 0.95
 Frequency (times/week) 3 (3–3) NA NA
 Each hemodialysis time (hours/day) 4.0 (4.0–4.0) 1.05 0.88
Coexisting/previous conditions, n (%)
 Previous acute pulmonary edema 24 (35.3) 1.09 0.82
 Hypertension 60 (88.2) 0.64 0.44
 Diabetes mellitus 52 (76.5) 2.47 0.04*
 Dyslipidemia 34 (50.0) 0.97 0.94
 Current smoking 10 (14.7) 0.98 0.97
 Malignancy 11 (16.2) 1.12 0.82
 Peripheral artery or aortic disease 21 (30.9) 2.98 0.005*
 Previous myocardial infarction 21 (30.9) 1.00 0.99
 Previous cerebral infarction 9 (13.2) 2.17 0.12
 Previous cerebral hemorrhage 4 (5.9) 1.08 0.91
Coronary anatomy (n = 50)
 Normal coronary artery, n (%) 10 (20.0) 0.87 0.80
 Left main trunk disease, n (%) 3 (6.0) 0.95 0.96
 Triple vessel disease, n (%) 10 (20.0) 1.54 0.38
  1. Continuous variables are shown as the mean ± SD or median (first to third quartile) and categorical variables as number (%)
  2. NA not analyzed
  3. *p<0.05