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Table 3 Adjusted OR and 95 % CI for the factors associated with 30-day readmission

From: Factors associated with 30-day readmission of patients with heart failure from a Japanese administrative database

  Adjusted OR 95 % CI P-value
Age <65 reference   
  65–74 1.267 1.127–1.425 <0.0001
  ≥75 1.330 1.199–1.475 <0.0001
Male 0.982 0.922–1.046 0.568
NYHA I reference   
  II 1.354 1.179–1.556 <0.0001
  III 1.548 1.351–1.774 <0.0001
  IV 1.627 1.416–1.869 <0.0001
CCI 1.087 1.065–1.108 <0.0001
LOS 0.997 0.995–0.998 <0.0001
BMI 0.972 0.964–0.979 <0.0001
Hospital volume 1.000 1.000–1.000 0.932
ACEs or ARBs 0.749 0.703–0.798 <0.0001
Beta blockers 1.225 1.149–1.306 <0.0001
Ca channel blockers 0.834 0.776–0.896 <0.0001
Digitalis 0.935 0.847–1.033 0.185
Loop diuretics 1.286 1.187–1.394 <0.0001
Thiazide 1.280 1.145–1.431 <0.0001
Spironolactone 0.795 0.743–0.851 <0.0001
Nitrates 1.405 1.302–1.516 <0.0001
  1. OR odds ratio; 95 % CI 95 % confidence interval; NYHA New York Heart Association functional class; CCI Charlson Comorbidity Index; LOS length of stay in hospital; BMI body mass index; Hospital volume number of cases hospitalized with heart failure; ACEs angiotensin converting enzyme inhibitors; ARBs angiotensin II receptor blockers; Ca channel blockers calcium channel blockers