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Incidence, trends and demographics of Staphylococcus aureus infections in Auckland, New Zealand, 2001-2011.


ABSTRACT:

Background

New Zealand has a higher incidence of Staphylococcus aureus disease than other developed countries, with significant sociodemographic variation in incidence rates. In contrast to North America, the majority of disease is due to methicillin-susceptible S. aureus (MSSA), although relatively little is known about the comparative demographics of MSSA and methicillin-resistant S. aureus (MRSA) infections in New Zealand.

Methods

Our objectives were to describe the trends, incidence and patient demographics of all S. aureus infections in patients presenting to our institution between 2001 and 2011, and compare the epidemiology of MSSA and MRSA infections. We identified all patients with S. aureus infections over the study period. A unique S. aureus infection was defined as the first positive S. aureus culture taken from the same patient within a thirty-day period. Standard definitions were used to classify episodes into community- or healthcare-associated S. aureus infection.

Results

There were 16,249?S. aureus infections over the study period. The incidence increased significantly over the study period from 360 to 412 per 100,000 population (P ConclusionsOur work provides valuable baseline data on the epidemiology and trends of S. aureus infections in New Zealand. The significant increase in community-associated S. aureus infections is of public health importance. Future studies should investigate the reasons underlying this concerning trend.

SUBMITTER: Williamson DA 

PROVIDER: S-EPMC4219404 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature

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Incidence, trends and demographics of Staphylococcus aureus infections in Auckland, New Zealand, 2001-2011.

Williamson Deborah A DA   Lim Alwin A   Thomas Mark G MG   Baker Michael G MG   Roberts Sally A SA   Fraser John D JD   Ritchie Stephen R SR  

BMC infectious diseases 20131203


<h4>Background</h4>New Zealand has a higher incidence of Staphylococcus aureus disease than other developed countries, with significant sociodemographic variation in incidence rates. In contrast to North America, the majority of disease is due to methicillin-susceptible S. aureus (MSSA), although relatively little is known about the comparative demographics of MSSA and methicillin-resistant S. aureus (MRSA) infections in New Zealand.<h4>Methods</h4>Our objectives were to describe the trends, inc  ...[more]

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