Population-based incidence of hospitalised pneumococcal pneumonia in adults with distinct baseline risk strata in Catalonia throughout 2015, the EPIVAC study

e201904025

Authors

  • Ángel Vila Córcoles Unitat de Suport a la Recerca Camp de Tarragona. Institut Català de la Salut. Tarragona. España.
  • Inmaculada Hospital Guardiola Centro de Atención Primaria Dr. Sarró. Tarragona. España.
  • Olga Ochoa Gondar Unitat de Suport a la Recerca Camp de Tarragona. Institut Català de la Salut. Tarragona. España.
  • Ángel Vila Rovira Institut Universitari d’Investigació en Atenció Primària (IDIAP Jordi Gol). Tarragona. España.
  • María Aragón Pérez Sistema d’Informació per al desenvolupament de la Investigació en Atenció Primària. Institut Universitari d’Investigació en Atenció Primària (IDIAP Jordi Gol). Barcelona. España.
  • Eva Satué Gracia Unitat de Suport a la Recerca Camp de Tarragona. Institut Català de la Salut. Tarragona. España.

Keywords:

Adults, Incidence, Mortality, Pneumonia, Streptococcus pneumoniae

Abstract

Background: Pneumococcal pneumonia is a major public health problem, especially in high risk population and older adults. This study assessed the epidemiology of pneumococcal pneumonia requiring hospitalisation among adults in Catalonia.

Methods: This is a population-based cohort study, including all individual ≥50 years-old assigned to the Institut Catala de la Salut (Catalonia, Spain), who were prospectively followed from 01/01/2015 to 31/12/2015. The Catalonian information system for the development of research in primary care (SIDIAP) was used to establish baseline characteristics and risk-strata of cohort members at study start: low-risk (immunocompetent persons without risk conditions), intermediate-risk (immunocompetent persons with at-risk condition) and high-risk (immunocompromising conditions). All hospitalisations from pneumococcal pneumonia occurred among cohort members within 2015 were collected from CMBD discharge data of 64 reference Catalonian hospitals.

Results: Among the 2.025.730 cohort members the global incidence of hospitalised pneumococcal pneumonia was 82.8 cases per 100,000 population-year (9.8 for bacteremic and 72.9 for non- bacteremic cases). Incidence substantially increased by age (34.9 in 50-64 years vs 88.7 in 65-79 years vs 231.5 in ≥80 years; p<0.001) and baseline-risk stratum (30.1, 119.1 and 240.7 in low-, intermediate- and high-risk stratum, respectively; p<0.001). Overall case-fatality was 4.9% (7.7% in bacteremic vs 4.5% in non- bacteremic; p=0.059). In multivariable models, high-risk stratum and oldest age were the strongest predictors for invasive and non-invasive cases, respectively.

Conclusions: The burden of pneumococcal pneumonia among adults is intermediate-low in Catalonia, but large incidences emerge among oldest persons and immunocompromised subjects.

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References

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Published

2019-04-30

How to Cite

1.
Vila Córcoles Ángel, Hospital Guardiola I, Ochoa Gondar O, Vila Rovira Ángel, Aragón Pérez M, Satué Gracia E. Population-based incidence of hospitalised pneumococcal pneumonia in adults with distinct baseline risk strata in Catalonia throughout 2015, the EPIVAC study: e201904025. Rev Esp Salud Pública [Internet]. 2019 Apr. 30 [cited 2025 Jun. 7];93:9 páginas. Available from: https://ojs.sanidad.gob.es/index.php/resp/article/view/1254

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