Research ArticleOriginal Article
Open Access

Role of SFGSI, microbial culture and qSOFA as predictive factors in determining the survival rate in Fournier Gangrene patient

Syah M. Warli, Karimul A. Pakpahan, Ramlan Nasution, Dhirajaya D. Kadar and Kharisma P. Adhyatma
Saudi Medical Journal March 2024, 45 (3) 230-234; DOI: https://doi.org/10.15537/smj.2024.45.3.20230036

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Figures

  • Figure 1
    Figure 1

    - Receiving operating characteristic (ROC) area of (a) qSOFA and (b) SFGSI score in patients with FG. SFGSI: Simplified Fournier Gangrene Severe Index Score, qSOFA: quickSOFA, FG: Fournier Gangrene

Tables

  • Table 1

    - Sample baseline characteristics.

    Variablesn (%)
    Age (years) Mean±SD37.2±0.7 (23-85)
    Mortality18 (22.5%)
    Escherichia coli (E. coli)9 (50.0%)
    Staphylococcus haemolyticus (S. Haemolyticus)3 (16.6%)
    Staphylococcus aureus (S. Aureus)3 (16.6%)
    Pseudomonas aeruginosa (P. Aeruginosa)3 (16.6%)
    SFGSI Mean ± SD1.8±0.4
    qSOFA Score Mean±SD1.6±0.3
    Culture Results 
    E. coli45 (56.2%)
    S. haemolyticus10 (12.5%)
    S. aureus4 (5.0%)
    P. aeruginosa3 (5.0%)
    K. pneumoniae3 (3.7%)
    Negative15 (17.6%)
    Extended spectrum beta-lactamase (ESBL)
    (+)36 (72.0%)
    (-)14 (28.0%)
    Fatality rate based on bacterial culture 
    P. Aeruginosa3/3 (100%)
    S. Aureus3/4 (75.0%)
    S. Haemolyticus3/10 (30.0%)
    E. Coli9/45 (20.0%)
    Random blood glucose (RGB) (mg/dl), mean±SD153.3±75.7
    Cystotomy 
    Yes28 (35.0%)
    No52 (65.0%)

    SFGSI: Simplified Fournier Gangrene Severe Index Score, qSOFA: quickSOFA, SD: standard deviation

    • Table 2

      - SFGSI and qSOFA score of FG patients.

      ParameterGroup (Survived) n=62Group 2 (Death) n=18p-value
      SFGSI1.5±0.42.3±0.5<0.0001
      qSOFA1.8±0.42.1±0.30.002

      SFGSI: simplified Fournier Gangrene Severe Index Score, qSOFA: quickSOFA, FG: Fournier Gangrene

      • Table 3

        - Sensitivity and specificity of SFGSI and qSOFA Score.

        ParametersSFGSI (95% CI)qSOFA(95% CI)P-value*r2
        Sensitivity90.1% (0.704-1.096)88.2% (0.690 – 1.070)0.00010.732
        Specificity88.3% (0.696 – 1.064)86.2% (0.676 – 1.044) 0.691

        • ↵* Pearson correlation test, SFGSI: simplified Fournier Gangrene Severe Index Score, qSOFA: quickSOFA, FG: Fournier Gangrene, CI: confidence interval

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