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Table 2 Comorbidities and outcome characteristics (n = 192,327 * )

From: Comorbidity profiles and inpatient outcomes during hospitalization for heart failure: an analysis of the U.S. Nationwide inpatient sample

Comorbidities and outcomes Estimate (mean or proportion) 95% CI
Number of comorbidities 7.54 (7.53-7.55)
Charlson comorbidity category   
 Low (1–2) 0.29% (0.26%-0.31%)
 Medium (3–4) 17.29% (17.12%-17.46%)
 High (5+) 82.42% (82.25%-82.60%)
Inpatient death 3.15% (3.08%-3.23%)
Inpatient length of stay (days) 5.22 (5.20-5.25)
Inpatient cost (2009 $US) $11,313.28 ($11,233.77-$11,329.80)
  1. *Estimates generated using discharge weights (population estimate n = 976,664).
  2. Abbreviations: CI, confidence interval.