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Table 1 Baseline characteristics

From: Multimorbidity and healthcare resource utilization in Switzerland: a multicentre cohort study

Characteristics Multimorbid population (n = 33,871)
Age, years, median (IQR) 68 (56–78)
Men, n (%) 19,170 (56.6)
Length of stay, days, median (IQR) 8 (4–14)
Potentially avoidable readmission, n (%) 1948 (5.8)
Number of admissions in the past year, median (IQR) 0 (0–2)
Description of multimorbidity
 Number of acute and chronic diseases, median (IQR) 7 (5–10)
 Number of chronic diseases, median (IQR) 4 (3–6)
 Deyo-Charlson Comorbidity Index, median (IQR)a 2 (1–3)
 Elixhauser-Van Walraven Comorbidity Index, median (IQR)b 7 (2–12)
Most frequent comorbidities (prevalence > 10%)
 Chronic heart disease, n (%) 15,717 (46.4)
 Chronic kidney disease, n (%) 5174 (15.3)
 Solid malignancy, n (%) 4964 (14,7)
 Substance-related disorders, n (%) 4153 (12.3)
  1. Abbreviations: IQR interquartile range, n number
  2. aA prolonged length of stay was defined as a stay longer than or equal to upper quartile (75%)
  3. aDeyo-Charlson Comorbidity Index ranges from 0 to + 33
  4. bElixhauser-Van Walraven Comorbidity Index ranges from − 19 to + 86