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Article in Chinese | WPRIM | ID: wpr-692647


Objective To investigate the application value of single detection and combined detection of 4 kinds of inflammatory indicators of procalcitonin (PCT ) ,high sensitivity C-reactive protein(hs-CRP) ,interleu-kin-6(IL-6) and white blood cell(WBC) in diagnosing type 2 diabetes mellitus(T2DM) bloodstream by analy-zing the levels of peripheral blood PCT ,hs-CRP ,IL-6 and WBC in the T2DM bloodstream infection group and T2DM non-bloodstream infection group .Methods The clinical data in 85 patients with T2DM bloodstream in-fection (T2DM bloodstream infection group ) and contemporaneous 80 cases of T2DM non-bloodstream infec-tion(T2DM non-bloodstream infection group) in this hospital from January 2013 to July 2016 were retrospec-tively analyzed .The levels of various inflammatory indicators in peripheral blood were analyzed .The receiver operating characteristic(ROC) curve of various inflammatory indicators was drawn ,the area under the curve (AUC) and the best cut-off value were calculated .The detection schemes included 24 kinds of schemes such as the single indicator ,2-indicator ,3-indicator and 4-indicator .Results The levels of PCT ,hs-CRP ,IL-6 and WBC in the T2DM bloodstream infection group were significantly higher than those in the T 2DM non-blood-stream infection group ,the difference was statistically significant (P<0 .05) .AUC of PCT ,hs-CRP ,IL-6 and WBC were 0 .909 ,0 .818 ,0 .838 and 0 .760 respectively ,with best cut-off values of 0 .493 ng/mL ,11 .19 ng/mL ,40 .95 pg/mL and 11 .87 × 109/L respectively .The Youden index of PCT was highest (0 .65) and the ac-curacy of IL-6 was highest (83 .33% ) in the single indicator detection scheme .The Youden index and accuracy of the scheme of PCT/hs-CRP and PCT+hs-CRP+IL-6 were highest in the combined detection scheme .Con-clusion PCT detection has the prominent value in the assisted diagnosis of T 2DM bloodstream infection .Inthe combined detection scheme ,PCT/hs-CRP and PCT+hs-CRP+IL-6 have the highest value in the assisted diagnosis in T2DM bloodstream infection .

Article in Chinese | WPRIM | ID: wpr-610898


Objective To explore diagnostic value of the serum and urine procalcitonin (PCT) detecting in the urinary system infection.Methods The serum and urine PCT levels in 45 urinary system infection patients with clear pathological diagnosis (exclude other system infections) who were outpatiented or hospitalized in the People's Hospital of Zhongshan between March and November 2016 (including 21 cases of upper urinary tract infection and 24 cases of lower urinary tract infection) and 35 healthy adults who went through physical examinations at the hospital during the same period,were measured using electrochemiluminescence immunoassay (ECLIA) on Cobase 601 Immunoassay Analyzer and analyzed to compare the differences of PCT levels in the three groups.Results The urine PCT level in upper urinary tract infection group was 0.243± 0.123 ng/ml.It was significantly lower than lower urinary tract infection group (0.486±0.232 ng/ml,t=4.11,P=0.000) and control group (0.454± 0.253 ng/ml,t=3.96,P=0.000).The serum PCT level in upper urinary tract infection group was 0.062±0.014 ng/ml.It was obviously higher than that in lower urinary tract infection group (0.043±0.020 ng/ml,t=3.56,P=0.01) and control group (0.032±0.013 ng/ml,t=7.38,P=0.000).In all groups,the urine PCT levels were significantly higher than their serum PCT levels (t =9.48,9.12,6.79,P< 0.01),and significant differences were observed in them.The sensitivity,specificity,positive predictive value and negative predictive value of serum PCT for diagnosing upper urinary tract infections were 81.5%,84.2%,80.6% and 85.6% respectively,and the urine PCT were 86.4%,80.7%,88.4 % and 83.1 % respectively.Conclusion Detection of serum and urine PCT has important accessory diagnostic value for identifying upper and lower urinary tract infections.