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Table 1 Baseline characteristics of the study

From: Blood urea nitrogen to creatinine ratio and long-term survival in patients with chronic heart failure

Clinical characteristics

n = 504

Age (years)

76 (70–81)

Male Sex, n (%)

260 (51.5)

course of disease (years)

6 (2–15)

Follow-up date (days)

683 (440.5–730)

NYHA Class, n (%)

 II

76 (15)

 III

230 (45.6)

 IV

198 (39.2)

LVEF, n (%)

 ≥ 50%

175 (34.7)

 40–49%

211(41.9)

   < 40%

118 (23.4)

 BUN (mmol/L)

6.9 (5.3–9.1)

 Creatinine (μmol/L)

91 (72–113)

 BUN/Scr

18.5 (15.0–23.5)

 eGFR(ml/min/1.73 m2)

63.9 (48.6–79.0)

Comorbidities, n (%)

 Coronary heart disease

420 (83.3)

 Diabetes

189 (37.5)

 Hypertension

373 (74)

 Hyperlipidaemia

280 (55.5)