Trends in hospitalization and mortality for ambulatory care sensitive conditions among older adults

To analyze the trends in hospitalization and mortality rates for ambulatory care sensitive conditions (ACSC) among older adults in the state of Santa Catarina, Brazil, from 2008 to 2015.

Ecological time-series study based on data from the Hospital Information System (Sistema de Informações Hospitalares - SIH) of the public health system (Sistema Único de Saúde - SUS), using hospital admission authorization forms as data source, from 2008 to 2015, in Santa Catarina. Data were analyzed by gender and age, which was stratified into two age groups: 60 to 79 years and 80 years or older. We standardized age rates using the direct method and statistical analysis using segmented linear regression (joinpoint regression).

Sensitive conditions led to 41% of total hospitalizations of older adults in 2008 and 32% in 2015. The annual rate variation decreased [-4.6^ 95%CI (-5.7; -3.6)]. The most prevalent causes were: heart failure, chronic obstructive pulmonary disease, and cerebrovascular diseases. Hospitalization mortality rates dropped, regardless of gender and in the age group up to 80 years, representing an annual variation of -2.4%, with -2.1% for males and -2.7% for females.

Analyzing the ACSC indicator, which evaluates the quality and effectiveness of primary care, the results of this research revealed a reduction in hospitalization rates among older adults, regardless of gender and age groups established in this study.