| 1 | New parameter in diagnosis of acute appendicitis:Platelet distribution width显示文摘AIM:To investigate the diagnostic accuracy of the mean platelet volume and platelet distribution width in acute appendicitis.METHODS:This retrospective,case-controlled study compared 295 patients with acute appendicitis(Group?Ⅰ),100 patients with other intra-abdominal infections(GroupⅡ),and 100 healthy individuals(GroupⅢ)between January 2012 and January 2013.The age,gender,and white blood cell count,neutrophil percentage,mean platelet volume,and platelet distribution width values from blood samples were compared among the groups.Statistical analyses were performed using SPSS for Windows 21.0 software.In addition,the sensitivity,specificity,positive and negative predictive values and likelihood ratios,and diagnostic accuracy were calculated.RESULTS:The mean ages of patients were 29.9±12.0years for Group?Ⅰ,31.5±14.0 years for GroupⅡ,and30.4±13.0 years for GroupⅢ.Demographic features such as age and gender were not significantly different among the groups.White blood cell count,neutrophil percentage and platelet distribution width were significantly higher in Group?Ⅰ?compared to groupsⅡandⅢ(P<0.05).Diagnostically,the sensitivity,specificity and diagnostic accuracy were 73.1%,94.0%,and 78%for white blood cell count,70.0%,96.0%,and 76.0%for neutrophil percentage,29.5%,49.0%,and 34.0%for mean platelet volume,and 97.1%,93.0%,and 96.0%for platelet distribution width,respectively.The highest diagnostic accuracy detected was for platelet distribution width between Group?Ⅰ?and GroupⅢ(P<0.01).CONCLUSION:Platelet distribution width analysis can be used for diagnosis of acute appendicitis without requiring additional tests,thus reducing the cost and loss of time. | Bulent Dinc Alten Oskay Selcan Enver Dinc Bilge Bas Sabri Tekin | 2015 | World Journal of Gastroenterology2015，21，6： | 5 |
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