Value of procalcitonin, hypersensitive C-reactive protein and white blood cells count in diagnosis of pulmona-ry bacterial infection
LIU Hua-xiang
YUE Feng
WU Tao
Abstract：Objective To explore the value of procalcitonin(PCT),hypersensitive C-reactive protein(hs-CRP) and white blood cell(WBC) in the diagnosis for pulmonary bacterial infection.Methods One hundred and fourteen patients with pulmonary infection were chosed in this study and were divided into two groups:positive group ( sixty-three patients with bacterial infection) ,negative group( fifty-one patients with non bacterial infection) .The lev-els of serum PCT, hs-CRP and the periphal WBC were detected and compared in the two groups.Results The levels of serum PCT,hs-CRP and WBC in bacterial infection group were significantly higher than those in non bacterial in-fection group.The cut-off point of serum PCT in the diagnosis of pulmonary bacterial infection was 0.5 ng/ml.Based on this,the sensitivity,specificity, accuracy,positive predictive value,negative predictive value,positive likelihood ra-tio and negative likelihood ratio were 0.921,0.882,0.904,0.906,0.900,7.825 and 0.090 respectively.The speci-ficity of combined detection of PCT, hs-CRP and WBC levels in the diagnosis of pulmonary infection was high.Con-clusion The combined detection of PCT, hs-CRP and WBC levels is helpful in the diagnosis and differential diagno-sis for pulmonary bacterial infection.
Keywords：ProcalcitoninHypersensitive C-reactive protein( hs-CRP)White blood cells countPul-monary bacterial infection
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 137-139 )