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Impact of Gender on Sepsis Mortality and Severity of Illness for Prepubertal and Postpubertal Children

Objective To investigate differences in sepsis mortality between prepubertal and postpubertal males and females. Study design This was a retrospective review of the Virtual PICU Systems (VPS) database (including 74 pediatric intensive care units [PICUs]) for 2006-2008. We included prepubertal (aged...

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Bibliographic Details
Published in:The Journal of pediatrics 2013-09, Vol.163 (3), p.835-840.e1
Main Authors: Ghuman, Anoopindar K., MD, Newth, Christopher J.L., MD, FRCPC, Khemani, Robinder G., MD, MsCI
Format: Article
Language:English
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Summary:Objective To investigate differences in sepsis mortality between prepubertal and postpubertal males and females. Study design This was a retrospective review of the Virtual PICU Systems (VPS) database (including 74 pediatric intensive care units [PICUs]) for 2006-2008. We included prepubertal (aged 2-7 years) and postpubertal (aged 16-21 years) children with a primary diagnosis of sepsis admitted to a participating PICU. Results Prepubertal females (n = 272; 9.9% mortality) and prepubertal males (n = 303; 10.9% mortality) had similar mortality and severity of illness (Pediatric Index of Mortality 2 risk of mortality [PIM 2 ROM]). Postpubertal females (n = 233; mortality, 5.6%) had lower mortality than postpubertal males (n = 212; mortality, 11.8%; P = .03). PIM 2 ROM was higher for postpubertal males than postpubertal females ( P = .02). After controlling for hospital specific effects with multivariate modeling, in postpubertal children, female gender was independently associated with a lower initial severity of illness (PIM 2 ROM: OR, 0.77; 95% CI, 0.62-0.96; P = .02). Conclusion Sepsis mortality is similar in prepubertal males and females. However, postpubertal males have a higher sepsis mortality than postpubertal females, likely related to their greater severity of illness on PICU admission. These outcome differences in postpubertal children may reflect a hormonal influence on the response to infection or differences in underlying comorbidities, source of infection, or behavior.
ISSN:0022-3476
1097-6833
DOI:10.1016/j.jpeds.2013.04.018