Table 1

Baseline characterisics for all patients and divided according to eGFR with the CKD-EPI equation

AllSubgroup with atrial fibrillation
N=40 736N=20 976
Age (years), median (IQR)77 (67–84)79 (71–85)
Female38.2%38.9%
Diabetes25.2 %23.4%
Hypertension49.1%50.0%
Ischaemic heart disease48.7%42.4%
Married/cohabitant55.4%54.4%
Duration of heart failure <6 months51.4%46.4%
Inpatient registration66.6%71.1%
Atrial fibrillation (history of and/or on ECG)51.5%100%
ECG with atrial fibrillation at visit/hospitalisation39.1%75.8%
Device therapy
 Pacemaker9.2%11.3%
 ICD/CRT/CRT-D4.0%3.8%
NYHA
 111.2%9.5%
 245.3%44.4%
 338.6%41.4%
 44.8%5.2%
Echocardiography findings
 LVEF ≥50%21.80%25.6%
 LVEF 40%–49%20.50%21.9%
 LVEF 30%–39%27.60%26.3%
 LVEF <30%30.10%26.3%
Treatment year
 2000–200622.50%21.7%
 2007–201277.50%78.3%
Renal function
 Creatinine (mmol/L), median (IQR)97 (79–125)100 (81–128)
 CKD-EPI eGFR (mL/min/1.73 m2), median (IQR)59 (42–77)56 (41–73)
 MDRD eGFR (mL/min/1.73 m2), median (IQR)59 (43–75)57 (42–72)
 Cockcoft-Gault eGFR (mL/min), median (IQR)57 (39–82)53 (37–75)
BSA*
 BSA, median (IQR) (missing)1.90 (1.75–2.06) (21 141)1.91 (1.75–2.06) (11 036)
Current medication
 ACE inhibitor/angiotensin receptor blocker80.9%79.3%
 Beta-blockers85.1%86.6%
 Loop-diuretic24.7%27.8%
 Digoxin17.9%30.2%
 Statins43.2%36.2%
 Antiplatelets52.0%38.5%
 Anticoagulants36.9%58.2%
  • *BSA estimated with the DuBois and DuBois formula,17 which is based on weight (kg) and height (cm) (BSA = (weight0.425 x height0.725) x 0.007184).

  • BSA, body surface area; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration; eGFR, estimated glomerular filtration rate; ICD, International Classification of Diseases; LVEF, left ventricular ejection fraction; MDRD, Modification of Diet in Renal Disease Study; NYHA, New York Heart Association.