PMID: 22360013Mar 1, 2012Paper

Sensitivity and specificity of ultrasound in the diagnosis of acute appendicitis

Eastern Mediterranean Health Journal = La Revue De Santé De La Méditerranée Orientale = Al-Majallah Al-ṣiḥḥīyah Li-sharq Al-mutawassiṭ
Y Al-Ajerami

Abstract

The aim of this study was to evaluate the sensitivity and specificity of ultrasound in the diagnosis of acute appendicitis at Al-Shefa hospital, Gaza Strip, Palestine. Patients who had appendicitis diagnosed by ultrasound over the study period (n = 180) underwent surgical excision of the appendix. The negative appendectomy rate was low, with only 4.4% (8/180) false positives. A significantly higher false diagnosis rate (false negatives + false positives) was obtained in female patients than in males: 38.5% versus 6.2%. A high proportion of falsely diagnosed cases had abnormal weight (overweight or obese) (82.1%). The overall sensitivity and specificity of ultrasound, using surgical outcome as the gold standard, were 84.8% and 83.3% respectively, and the positive and negative predictive values were 93.3% and 66.7% respectively. Sensitivity and specificity were higher in males (95.7% and 88.2% respectively) than females (84.6% and 71.4% respectively).

Citations

Oct 24, 2014·Journal of Clinical Ultrasound : JCU·Vasan Koseekriniramol, Rathachai Kaewlai
Oct 27, 2018·Revista do Colégio Brasileiro de Cirurgiões·Ricardo Reis do NascimentoDarlan de Medeiros Kestering

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