Urogenital Tract Infection

Original Article

Clinical Characteristics and Risk Factors of Fournier Gangrene: A 15-Years Multicenter Retrospective Study in Korea: Seung-Kwon Choi, Sin Woo Lee, Hyung-Lae Lee, Jeong Woo Lee, Jung Sik Huh, Yeonjoo Kim, Sangrak Bae, Tae-Hyoung Kim; Urogenit Tract Infect 2025;20(3):159-166. Published online December 31, 2025; DOI: https://doi.org/10.14777/uti.2550036018

Abstract PDF: Purpose
Fournier gangrene (FG) is a rare but life-threatening necrotizing infection requiring prompt recognition and intervention. This multicenter study aimed to investigate the clinical characteristics, treatment outcomes including mortality, and risk factors associated with death among patients with FG over the past 15 years in Korea. Materials and Methods: We retrospectively reviewed 84 patients diagnosed with FG between 2008 and 2022 across 7 hospitals. Demographics, comorbidities, laboratory findings, and clinical outcomes were analyzed. Mortality-related risk factors were assessed using univariate and multivariate logistic regression analysis.
Results
The mean age was 58.1±15.9 years, and 95.2% of patients were male. Diabetes mellitus (42.9%) and hypertension (36.9%) were the most prevalent comorbidities. Sepsis developed in 38.1% of patients, and the overall mortality rate was 14.3%. In univariate analysis, age ≥70 years, low body mass index, diabetes mellitus, low hemoglobin, low hematocrit, high respiratory rate, and Fournier gangrene severity index (FGSI) ≥9 were significantly associated with mortality. After data correction and multivariate adjustment, diabetes mellitus (odds ratio [OR], 39.61; 95% confidence interval [CI], 2.39–656.32; p=0.010) and respiratory rate (OR, 1.44; 95% CI, 1.09–1.91; p=0.011) were identified as independent predictors of mortality. FGSI≥9 demonstrated borderline association with mortality (p=0.08), indicating its potential clinical relevance.
Conclusions
In this multicenter Korean cohort, the mortality rate of FG remained substantial at 14.3%. Diabetes mellitus and elevated respiratory rate were independent predictors of mortality, while FGSI≥9 demonstrated a borderline yet clinically meaningful association, suggesting its role as a useful severity indicator in early risk stratification.

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