Evaluation of prognostic factors of mortality in patients with chronic obstructive pulmonary disease

Abstract

Background & Objective: Psoriasis is a chronic and relapsing disease with a prevalence of 2%. Since it is a chronic and non-fatal skin disease, its impact on quality of life in patients is underestimated compared to other diseases. This study points out to the importance of the quality of life in these patients and their correlation with disease severity. Materials & Methods: This cross-sectional study was performed on exacerbated COPD patients who were admitted to the emergency department, Afzalipour Hospital, Kerman, Iran during 2016-2017. For all the patients, CBC was assessed as they arrived then Pulmonary Function Test and echocardiography were conducted. In order to create the final model, we employed multivariate regression analysis. Results: A total of 1078 patients were enrolled during one year, of which 58.3% were male. In multivariate analysis, White blood cells (WBC), Polymorphonuclear leukocytes (PMN), Mean platelet volume (MPV), Red Cell Distribution Width (RDW), FEV1 and mPAP were the six variables which were independently associated with hospital mortality and ICU admission. Sensitivity, specificity and area under the curve for these six variables model were 78.5%, 92% and 86% respectively. Conclusion: Since the inflammatory and thrombotic events are influential in the prognosis of COPD patients, it may be possible to predict patients outcome with CBC related indices (WBC, PMN, MPV and RDW), although other important risk factors such as pulmonary hypertension and FEV1 decrease should be considered as well.