• Nuri Alper Şahbaz, Orhan Bat, Bülent Kaya, Suat Can Ulukent, Özer İlkgül, Mehmet Yiğit Özgün, and Özlem Akça.
• Department of General Surgery, Kanuni Sultan Süleyman Training and Research Hospital, İstanbul, Turkey. alpersahbaz@yahoo.com.
• Ulus Travma Acil Cer. 2014 Nov 1;20(6):423-6.

BackgroundThe aim of this study was to establish the diagnostic value of leucocyte count and neutrophil percentage in both diagnosing simple appendicitis and predicting complicated appendicitis.MethodsThe patients who underwent appendectomy with a clinical diagnosis of acute appendicitis (AA) between January 2011 and December 2012 were studied retrospectively. The data of total WBC count, neutrophil ratio, and physical findings were analyzed. Sensitivities and specificities of leucocyte count and neutrophil ratio were calculated.ResultsOne hundred and fifty-nine patients, diagnosed with acute appendicitis, were operated. Simple appendicitis was detected in 82.4% of the patients and complicated appendicitis in 17.6%. Leucocyte count had low sensitivity and specificity for diagnosing acute appendicitis (67.5% and 36.3%, respectively). Neutrophil ratio had a sensitivity rate of 60.1% and specificity rate of 90.9%. Complicated appendicitis was more common in male patients. Leucocyte count was statistically higher in patients with complicated appendicitis.ConclusionTwo inflammatory markers, leucocyte count and neutrophil ratio, were evaluated for diagnosing acute appendicitis. Neutrophil ratio had higher sensitivity and specificity for acute appendicitis. On the other hand, increased leucocyte count and male gender was found to be a risk factor for complicated appendicitis.

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