Table 2

Cox regression analysis for 1-year readmission

CharacteristicsHR95% CIP value
Body mass index >30 kg/m2 3.4401.873 to 6.3200.000
Female0.9510.604 to 1.4970.828
Atrial fibrillation1.1680.885 to 1.5400.272
Age >70 years3.2921.201 to 9.0210.021
Treatment with ≥2 antihypertensives1.7351.047 to 2.8740.032
Pulmonary artery pressure >35 mm Hg2.1631.228 to 3.8120.008
Echocardiography E/e’ ratio >91.8151.132 to 2.9090.013
Diuretic3.5941.893 to 6.8260.000
Spirolactone1.8891.198 to 2.9780.006
Hypertension1.9350.929 to 4.0290.078
Diabetes mellitus2.4371.531 to 3.8790.000
Hyperlipaemia0.6210.357 to 1.0790.091
Uric acid >420 μmol/L1.3410.845 to 2.1290.213
Anaemia1.9861.260 to 3.1300.003
Thyroid dysfunction1.6891.049 to 2.7200.031
Pacemaker1.2530.624 to 2.5150.527
Tumour2.6051.189 to 5.7070.017
  • E/e’, ratio of early diastolic mitral inflow velocity to septal mitral annulus tissue relaxation velocity.