| Murphy's sign | ||
| Positive likelihood ratio 2.80 ( Trowbridge RL et al. ) 5.00 ( Abraham S et al. ) 1.24 ( Hwang H et al. ) (average) 3.01 | Negative likelihood ratio 0.50 ( Trowbridge RL et al. ) 0.40 ( Abraham S et al. ) 0.71 ( Hwang H et al. ) (average) 0.54 | |
| Chills | ||
| Positive likelihood ratio 2.60 ( Abraham S et al. ) (average) 2.60 | Negative likelihood ratio 0.90 ( Abraham S et al. ) (average) 0.9 | |
| Rebound tenderness | ||
| Positive likelihood ratio 1.90 ( Trowbridge RL et al. ) 1.70 ( Abraham S et al. ) (average) 1.80 | Negative likelihood ratio 0.75 ( Trowbridge RL et al. ) 0.43 ( Abraham S et al. ) (average) 0.59 | |
| Right upper quadrant pain | ||
| Positive likelihood ratio 1.50 ( Trowbridge RL et al. ) 2.50 ( Abraham S et al. ) (average) 2.00 | Negative likelihood ratio 0.70 ( Trowbridge RL et al. ) 0.28 ( Abraham S et al. ) (average) 0.49 | |
| Vomiting | ||
| Positive likelihood ratio 1.50 ( Trowbridge RL et al. ) (average) 1.50 | Negative likelihood ratio 0.60 ( Trowbridge RL et al. ) (average) 0.6 | |
| Fever | ||
| Positive likelihood ratio 1.50 ( Trowbridge RL et al. ) (average) 1.50 | Negative likelihood ratio 0.90 ( Trowbridge RL et al. ) (average) 0.9 | |
| Anorexia | ||
| Positive likelihood ratio 1.40 ( Trowbridge RL et al. ) (average) 1.40 | Negative likelihood ratio 0.70 ( Trowbridge RL et al. ) (average) 0.7 | |
| Nausea | ||
| Positive likelihood ratio 1.10 ( Trowbridge RL et al. ) (average) 1.10 | Negative likelihood ratio 0.80 ( Trowbridge RL et al. ) (average) 0.8 |
| CT for cholecystitis | ||
| Positive likelihood ratio 6.00 ( Klugsberger B et al. ) (average) 6.00 | Negative likelihood ratio 0.12 ( Klugsberger B et al. ) (average) 0.12 | |
| MRI for cholecystitis | ||
| Positive likelihood ratio 4.78 ( Kiewiet JJS et al. ) (average) 4.78 | Negative likelihood ratio 0.17 ( Kiewiet JJS et al. ) (average) 0.17 | |
| Ultrasound for cholecystitis | ||
| Positive likelihood ratio 4.32 ( Kiewiet JJS et al. ) 13.80 ( Klugsberger B et al. ) 2.84 ( Kumar K et al. ) 4.40 ( Shea JA et al. ) (average) 6.34 | Negative likelihood ratio 0.22 ( Kiewiet JJS et al. ) 0.33 ( Klugsberger B et al. ) 0.57 ( Kumar K et al. ) 0.15 ( Shea JA et al. ) (average) 0.32 | |
| Leukocytosis (> 10000 / ml) | ||
| Positive likelihood ratio 1.47 ( Trowbridge RL et al. ) (average) 1.47 | Negative likelihood ratio 0.65 ( Trowbridge RL et al. ) (average) 0.65 |
| 1. | Trowbridge RL et al. Does This Patient Have Acute Cholecystitis? JAMA, January 1, 2003—Vol 289, No. 1 80-86 |
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| 2. | Abraham S et al. Surgical and Nonsurgical Management of Gallstones. Am Fam Physician. 2014 May 15;89(10):795-802 |
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| 3. | Hwang H et al. Does ultrasonography accurately diagnose acute cholecystitis? Improving diagnostic accuracy based on a review at a regional hospital. Can J Surg. 2014 Jun; 57(3): 162–168 |
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| 4. | Kiewiet JJS et al. A Systematic Review and Meta-Analysis of Diagnostic Performance of Imaging in Acute Cholecystitis. Radiology September 2012 Volume 264, Issue 3 |
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| 5. | Klugsberger B et al. Clinical Value of Sonography and CT-Scan in the Diagnosis of Acute Cholecystitis: A Retrospective Analysis. Ann Emerg Surg 2(3): 1021 (2017) |
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| 6. | Kumar K et al. To study the sensitivity and specificity of Ultrasonography for diagnosing cholelithiasis in a tertiary care teaching hospital Int J Med Res Prof.2015;1(3); 64-67 |
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| 7. | Shea JA et al. Revised estimates of diagnostic test sensitivity and specificity in suspected biliary tract disease. Arch Intern Med. 1994;154(22):2573–2581 |
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