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Table 5 PIPAS Severity Score for patients with acute peritonitis (range 0–8)

From: Physiological parameters for Prognosis in Abdominal Sepsis (PIPAS) Study: a WSES observational study

Variables Score
Age (years)
 80 or more 1
 Less than 80 0
Malignancy
 Yes 1
 No 0
Severe cardiovascular disease
 Yes 1
 No 0
Severe chronic kidney disease
 Yes 1
 No 0
Respiratory rate ≥ 22 breaths/min
 Yes 1
 No 0
Systolic blood pressure < 100 mmHg
 Yes 1
 No 0
Blood oxygen saturation level (SpO2) < 90% in air
 Yes 1
 No 0
AVPU responsiveness scale full alert
 No 1
 Yes 0