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Table 2 Methods of measurement for potential predictors of sepsis progression

From: Predictors of early progression to severe sepsis or shock among emergency department patients with nonsevere sepsis

Variable category Variable Categories chosen (when applicable)
Demographic predictors Age (years)  
Clinical predictors Nursing home resident status  
Suspicion of lower respiratory tract infection  
Presence of long-term vascular access  
Triage diastolic blood pressure (mmHg) <52 mmHg; ≥52 mmHg
Laboratory predictors Serum bicarbonate (mEq/L) <20 mEq/L; ≥20 mEq/L
Serum hemoglobin (g/dL) <10 g/dL; >10 g/dL
Serum albumin (g/dL) <3.5 g/dL; ≥3.5 g/dL
Serum sodium (mEq/L) >145 mEq/L; ≤145 mEq/L
Serum glucose (mg/dL) <60 or >300 mg/dL; 60–300 mg/dL
Comorbidities Diabetes mellitus  
Coronary artery disease
Congestive heart failure
Chronic renal disease
Chronic obstructive pulmonary disease/asthma
Alcohol dependence
Organ dysfunction Creatinine (mg/dL)  
Activated partial prothrombin time (aPTT) (s)
Platelet count (uL−1)
Total bilirubin (mg/dL)
Tissue hypoperfusion Lactate (mmol/L)  
Shock Systolic blood pressure (mmHg)  
Need for vasopressors