“…Of the numerous preoperative tests available-including white blood cell (WBC) count, erythrocyte sedimentation rate (ESR), and Creactive protein (CRP) levels-no test has perfect sensitivity and specificity (1,7,10,44). However, their diagnostic ability is not entirely reliable; a recent meta-analysis showed that the sensitivity and specificity of WBC count, ESR, and CRP levels were 45%, 75%, and 88% and 87%, 70%, and 74%, respectively (44).…”