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J Korean Soc Emerg Med > Volume 26(5); 2015 > Article
Journal of The Korean Society of Emergency Medicine 2015;26(5): 387-393.
지역사회획득폐렴 환자의 예후 평가를 위한 새로운 중증도 평가 점수체계
박승우, 오성범, 최일국
단국대학교 의과대학 응급의학교실
A New Modified Scoring System to Assess the Prognosis of Patients with Community-Acquired Pneumonia
Seung Woo Park, Seong Beom Oh, Il Kug Choi
Department of Emergency Medicine, College of Medicine, Dankook University, Cheonan, Korea
Correspondence  Seong Beom Oh ,Tel: 041) 550-7241, Fax: 041) 550-7054, Email: holytiger@hanmail.net,
Received: July 30, 2015; Revised: July 31, 2015   Accepted: August 22, 2015.  Published online: October 30, 2015.
ABSTRACT
Purpose:
An accurate, objective scoring system to assess the severity of community-acquired pneumonia (CAP) could be helpful to physicians in predicting patient mortality and improving decisions regarding hospitalization. However reports on the severity scoring system for prediction of mortality in patients with CAP in Korea are rare. The aim of this study was to propose a new modified severity scoring system based on a previously validated A-DROP for CAP and to compare it with pneumonia severity index (PSI), CURB- 65 and A-DROP.
Method:
The medical records of 364 patients admitted with CAP via ED from January 2013 through August 2014 were reviewed retrospectively. The demographic data, comorbidities, laboratories, PSI class, CURB-65 score, and A-DROP score were reviewed. The authors investigated a modification factor by comparing the survivors with the nonsurvivors.
Results:
The study subjects were composed of 264 men and 100 women, with a mean age of 66.2±15.2 years. The overall 30-day mortality was 9.6%. The areas under the receiver operating characteristic (ROC) curves for prediction of 30-day mortality in patients with CAP were 0.803 (95% confidence interval (CI): 0.739-0.868), 0.734 (95% CI: 0.652-0.816) and 0.747 (95% CI: 0.662-0.833) for PSI, CURB-65 and A-DROP respectively. The new DROP-70 scoring system which includes age≥70 years is a simple modified version of the A-DROP. The area under the ROC curves of DROP-70 was 0.774 (95% CI: 0.698-0.850).
Conclusion:
A new severity scoring system, DROP-70, could be a useful index for predicting 30-day mortality in patients with community-acquired pneumonia.
Key words: Pneumonia, Scoring system, Mortality
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