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Volume 16, Number 5—May 2010
Dispatch

Streptococcus dysgalactiae subsp. equisimilis Bacteremia, Finland, 1995–2004

Sari RantalaComments to Author , Susanna Vähäkuopus, Jaana Vuopio-Varkila, Risto Vuento, and Jaana Syrjänen
Author affiliations: Tampere University Hospital, Tampere, Finland (S. Rantala, R. Vuento, J. Syrjänen); National Institute for Health and Welfare, Helsinki, Finland (S. Vähäkuopus, J. Vuopio-Varkila); Medical School, University of Tampere, Tampere (J. Syrjänen)

Main Article

Table 1

Disease severity among 138 episodes of Streptococcal dysgalactiae subsp. equisimilis bacteremia, Finland, 1995–2004*

Disease severity No. (%) common emm types, n = 97 No. (%) rare emm types, n = 41 Odds ratio (95% CI) p value†
30-day mortality rate 11 (11) 12 (29) 3.2 (1.3–8.1) 0.01
Patient admitted to ICU 5 (5) 6 (15) 3.2 (0.9–11) 0.084
Patient death or ICU treatment 12 (12) 15 (37) 4.1 (1.7–9.8) 0.001
Hypotension‡ 13 (13) 10 (24) 2.1 (0.8–5.2) 0.113
DIC§ 2 (2) 6 (15) 8.1 (1.6–42.3) 0.009
Multiorgan failure 2 (2) 4 (10) 5.1 ( 0.9–29.2) 0.064
STSS¶ 2 (2) 4 (10) 5.1 ( 0.9–29.2) 0.064

*CI, confidence interval; ICU, intensive care unit; DIC, disseminated intravascular coagulation; STSS, streptococcal toxic shock syndrome. Patients who had both clinical data and isolates available.
†χ² test or Fisher exact test as appropriate.
‡Hypotensive (BP <90 mm Hg) at least once 0–2 days after positive blood culture.
§Thrombocyte count <100 x 109/L.
¶The definition of STSS was based on a consensus definition, including identification of β-hemolytic streptococci from a normally sterile site, septic shock, and multiorgan failure.

Main Article

Page created: December 23, 2010
Page updated: December 23, 2010
Page reviewed: December 23, 2010
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