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Heart failure: incidence, case fatality, and hospitalization rates in Western Australia between 1990 and 2005.
Circ Heart Fail. 2010 Mar; 3(2):236-43.CH

Abstract

BACKGROUND

We examined trends in incidence of first-ever (index) hospitalization for heart failure (HF), hospitalization rates, and 30-day and 1-year all-cause mortality subsequent to index hospitalization for HF.

METHODS AND RESULTS

The Western Australia Hospital Morbidity Database was used to identify a retrospective population-based cohort with an index hospitalization for HF in Western Australia between 1990 and 2005. Risk-adjusted temporal trends in mortality were examined with the use of multivariable logistic regression models. Baseline period for comparison was 1990-1993. The cohort (n=19 342; mean age, 74.2+/-13.2 years; 51.3% men) was followed until death or end of 2006. During the period of 1990-2005, age-standardized rates (per 100,000) of index hospitalization for HF as a principal diagnosis decreased from 191.0 to 103.2 in men, with an annual decrease of 3.5%, and from 130.5 to 75.1 in women, with an annual decrease of 3.1%. Risk-adjusted odds ratio of death at 30 days decreased to 0.73 (95% CI, 0.65 to 0.81) based on nonelective admissions. Risk-adjusted odds ratio of 1-year mortality also decreased during the study period in both genders and across all age groups. The total number of HF hospitalizations increased, with nonelective admissions increasing by 14.9% (P for trend, <0.0001) during this period. However, age-standardized rates of nonelective HF hospitalizations decreased during the same period.

CONCLUSIONS

During the 16-year period studied, the incidence of index hospitalization for HF in Western Australia decreased steadily in both genders. However, hospitalizations for HF as a measure of health service use increased, despite decreasing rates, partly because of an aging population and improved HF survival.

Authors+Show Affiliations

School of Population Health, University of Western Australia, Perth, Western Australia. kteng@meddent.uwa.edu.auNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20071655

Citation

Teng, Tiew-Hwa Katherine, et al. "Heart Failure: Incidence, Case Fatality, and Hospitalization Rates in Western Australia Between 1990 and 2005." Circulation. Heart Failure, vol. 3, no. 2, 2010, pp. 236-43.
Teng TH, Finn J, Hobbs M, et al. Heart failure: incidence, case fatality, and hospitalization rates in Western Australia between 1990 and 2005. Circ Heart Fail. 2010;3(2):236-43.
Teng, T. H., Finn, J., Hobbs, M., & Hung, J. (2010). Heart failure: incidence, case fatality, and hospitalization rates in Western Australia between 1990 and 2005. Circulation. Heart Failure, 3(2), 236-43. https://doi.org/10.1161/CIRCHEARTFAILURE.109.879239
Teng TH, et al. Heart Failure: Incidence, Case Fatality, and Hospitalization Rates in Western Australia Between 1990 and 2005. Circ Heart Fail. 2010;3(2):236-43. PubMed PMID: 20071655.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Heart failure: incidence, case fatality, and hospitalization rates in Western Australia between 1990 and 2005. AU - Teng,Tiew-Hwa Katherine, AU - Finn,Judith, AU - Hobbs,Michael, AU - Hung,Joseph, Y1 - 2010/01/13/ PY - 2010/1/15/entrez PY - 2010/1/15/pubmed PY - 2010/5/7/medline SP - 236 EP - 43 JF - Circulation. Heart failure JO - Circ Heart Fail VL - 3 IS - 2 N2 - BACKGROUND: We examined trends in incidence of first-ever (index) hospitalization for heart failure (HF), hospitalization rates, and 30-day and 1-year all-cause mortality subsequent to index hospitalization for HF. METHODS AND RESULTS: The Western Australia Hospital Morbidity Database was used to identify a retrospective population-based cohort with an index hospitalization for HF in Western Australia between 1990 and 2005. Risk-adjusted temporal trends in mortality were examined with the use of multivariable logistic regression models. Baseline period for comparison was 1990-1993. The cohort (n=19 342; mean age, 74.2+/-13.2 years; 51.3% men) was followed until death or end of 2006. During the period of 1990-2005, age-standardized rates (per 100,000) of index hospitalization for HF as a principal diagnosis decreased from 191.0 to 103.2 in men, with an annual decrease of 3.5%, and from 130.5 to 75.1 in women, with an annual decrease of 3.1%. Risk-adjusted odds ratio of death at 30 days decreased to 0.73 (95% CI, 0.65 to 0.81) based on nonelective admissions. Risk-adjusted odds ratio of 1-year mortality also decreased during the study period in both genders and across all age groups. The total number of HF hospitalizations increased, with nonelective admissions increasing by 14.9% (P for trend, <0.0001) during this period. However, age-standardized rates of nonelective HF hospitalizations decreased during the same period. CONCLUSIONS: During the 16-year period studied, the incidence of index hospitalization for HF in Western Australia decreased steadily in both genders. However, hospitalizations for HF as a measure of health service use increased, despite decreasing rates, partly because of an aging population and improved HF survival. SN - 1941-3297 UR - https://www.unboundmedicine.com/medline/citation/20071655/Heart_failure:_incidence_case_fatality_and_hospitalization_rates_in_Western_Australia_between_1990_and_2005_ L2 - https://www.ahajournals.org/doi/10.1161/CIRCHEARTFAILURE.109.879239?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -