The impact of multiple chronic diseases on hospitalizations for ambulatory care sensitive conditions

Inês Dantas, Rui Santana, João Sarmento, Pedro Aguiar

Research output: Contribution to journalArticle

11 Citations (Scopus)
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Abstract

Background: The high financial burden of avoidable hospitalizations has led to an increase of the study of hospitalizations for ambulatory care sensitive conditions (ACSC). There is limited information on the impact of secondary diagnoses on these hospitalizations, although patients' social and demographic characteristics, as well as the coexistence of multiple diseases are often identified in the literature as risk factors for avoidable hospitalizations. This study explores the impact of chronic conditions on the likelihood of hospitalizations for ACSC. Methods: Data were extracted from the Portuguese hospital discharge database. Avoidable hospitalizations were identified according to the Canadian Institute for Healthcare Information, and chronic conditions were identified according to criteria set by the Agency for Healthcare Research and Quality. A retrospective study analysing all patients hospitalized for an ACSC and all patients hospitalized for non-ACSC was made, using multiple logistic regression models to identify the impact of chronic conditions on the risk of admission. Results: The risk of an avoidable hospitalization increases by a factor of 1.35 (95 % CI [1.34;1.35]) for each additional chronic condition, and 1.55 (95 % CI [1.55;1.56]) for each additional body system affected. The respiratory and circulatory systems have the most impact on the risk of ACSC, increasing the risk by 8.72 (95 % CI [8.58;8.86]) and 3.01 (95 % CI [2.95;3.06]), respectively. Conclusions: The number of chronic conditions and the body systems affected increase the risk of hospital admissions for ACSC.

Original languageEnglish
Article number348
JournalBMC Health Services Research
Volume16
Issue number1
DOIs
Publication statusPublished - 4 Aug 2016

Keywords

  • Ambulatory care sensitive conditions
  • Avoidable hospitalizations
  • Chronic conditions

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