Fig. 1From: Patterns of multimorbidity associated with 30-day readmission: a multinational studyOdds ratios with 95% confidence intervals for a) potentially avoidable readmission and b) all-cause readmission according to the number of chronic diseases. The reference is the presence of two chronic diseases, as we included only patients with multimorbidity. Abbreviations: #, number of chronic diseases; CI, confidence interval; N, number of patients; OR, odds ratioBack to article page