Analysis of predictive value of red cell distribution width/albumin ratio on adverse outcome for patients with severe community-acquired pneumonia
Objective To investigate the predictive value of red blood cell distribution width/albu-min ratio(RDW/ALB)on adverse outcome for patients with severe community-acquired pneumonia(sCAP).Methods Clinical data from 107 patients with sCAP were retrospectively analyzed and divided into two groups:a poor prognosis group and a good prognosis group based on their 30-day prognosis.Univariate and mul-tivariate logistic regression analyses was used to identify the prognostic factors.Receiver operating characteristic(ROC)curve was used to assess the predictive ability of the RDW/ALB ratio for prognosis.Results The medi-an RDW/ALB ratio of sCAP patients with a poor prognosis was significantly higher than that of the good progno-sis group(P<0.05).A higher RDW/ALB ratio was associated with a higher incidence of 30-day poor prognosis(OR=1.155,95%CI:1.007～2.430,P<0.05).Meanwhile,the area under the curve(AUC)of the RDW/ALB ratio was 0.761(95%CI:0.665～0.857),which was higher than the AUC of 0.740(95%CI:0.643～0.837)in the pneumonia severity index(PSI)(P<0.05).When the RDW/ALB ratio was combined with the PSI score,the AUC increased to 0.817(95%CI:0.736～0.899),which was higher than either the PSI score or RDW/ALB ratio alone(P<0.05).Conclusion The RDW/ALB ratio has great predictive value for postoperative adverse out-comes in patients with severe community-acquired pneumonia.
Severe community-acquired pneumoniaAlbuminRed cell distribution widthRed blood cell distribution width/albuminPneumonia severity index
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