Spontaneous Bacterial Peritonitis: Likelihood Ratios
Introduction: This diagnosis carries a high mortality rate, around 30%. Diagnostic paracentesis is critical in the diagnosis (and may be therapeutic in non-infective ascites).
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Prevalence
| Population / Calculator | Prevalence | Comments / Study / Link |
| Cirrhosis patients admitted to the hospital | 27% | JAMA. 2008;299(10):1166-1178. http://jama.ama-assn.org/cgi/content/full/299/10/1166 |
| Cirrhosis patients with prior SBP | 0% | Much higher prevalence - these patients are placed on prophylactic antibiotics. |
| Cirrhosis patients with low ascitic protein | 0% | Much higher. These patients get prophylactic antibiotics. |
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The likelihood ratios of findings for Spontaneous Bacterial Peritonitis are listed below. See the left navigation bar to change the display.