Studies have demonstrated a SBP prevalence of 12% in patients with ascites admitted for decompensated cirrhosis, 18% in those admitted for hepatic encephalopathy, and 10% to 14% in those admitted with acute gastrointestinal haemorrhage.[4][5][6][7] Among asymptomatic patients receiving outpatient paracentesis, there is a 2.5% prevalence.[8][9] There are no data on sex or race prevalence of SBP beyond that which would be associated with ascites itself.

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