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Table 1 Potential sepsis related markers (modified from reference 18)

From: Toward an operative diagnosis in sepsis: a latent class approach

General Variables

Temperature > 38.3°C or < 36°C

Heart rate > 90 beats min-1

Tachypnea (respiratory rate > 20 breaths min-1 in adults)

Altered mental status

Inflammatory variables

WBC > 12,000 μL-1, < 4,000 μL-1 or with > 10% immature forms

Plasma C-reactive protein > 2 SD above the normal value

Plasma procalcitonin > 2 SD above the normal value

Hemodynamic variables

Systolic blood pressure < 90 mm Hg or mean arterial blood pressure < 70 mm Hg

Mixed venous oxygen saturation > 70%

Cardiac index > 3.5 L*min-1*M-23

Organ dysfunction variables

PaO2/FIO2 < 300

Urine output < 0.5 mL*kg-1*hr-1 or creatinine increase > 0.5 mg/dL

International normalized ratio (INR) > 1.5 or aPTT > 60 secs

Platelet count < 100,000 μL-1

Plasma total bilirrubin > 4 mg/Dl

Tissue perfusion variables

Hyperlactatemia > 1 mmol/L

Decreased capillary refill or mottling