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A Correlation between the Severity of Lung Lesions on Radiographs and Clinical Findings in Patients with Severe Acute Respiratory Syndrome

Wan, Yung-Liang    (Department of Medical Imaging and Intervention, Chang Gung Memorial at Linkou, College of Medicine, Chang Gung University, 5 Fuhsing Rd., Kweishan, Taoyuan, Taiwan. (333)   ); Tsay, Pei-Kwei    (Department of Public Health and Center of Biostatistics, Chang Gung University, 259 Wonhua 1 Rd., Kweishan, Taoyuan, Taiwan. (333)   ); Cheung, Yun-Chung    (Department of Medical Imaging and Intervention, Chang Gung Memorial at Linkou, College of Medicine, Chang Gung University, 5 Fuhsing Rd., Kweishan, Taoyuan, Taiwan. (333)   ); Chiang, Ping-Cherng    (Department of Internal Medicine, Chang Gung Memorial at Linkou, College of Medicine, Chang Gung University, 5 Fuhsing Rd., Kweishan, Taoyuan, Taiwan. (333)   ); Wang, Chun-Hua    (Department of Internal Medicine, Chang Gung Memorial at Linkou, College of Medicine, Chang Gung University, 5 Fuhsing Rd., Kweishan, Taoyuan, Taiwan. (333)   ); Tsai, Ying-Huang    (Department of Internal Medicine, Chang Gung Memorial at Linkou, College of Medicine, Chang Gung University, 5 Fuhsing Rd., Kweishan, Taoyuan, Taiwan. (333)   ); Kuo, Han-Ping    (Department of Internal Medicine, Chang Gung Mem  ); Tsao, Kuo-Chien   Lin, Tzou-Yien  
  • 초록

    Objective The purpose of this study was to quantify lesions on chest radiographs in patients with severe acute respiratory syndrome (SARS) and analyze the severity of the lesions with clinical parameters. Materials and Methods Two experienced radiologists reviewed chest radiographs of 28 patients with SARS. Each lung was divided into upper, middle, and lower zones. A SARS-related lesion in each zone was scored using a four-point scale: zero to three. The mean and maximal radiographic scores were analyzed statistically to determine if the scorings were related to the laboratory data and clinical course. Results Forward stepwise multiple linear regression showed that the mean radiographic score correlated most significantly with the number of hospitalized days ( p p p = 0.025). The maximal radiographic score correlated best with the percentage of lymphocytes in a leukocyte count ( p p p = 0.013). The mean radiographic scores of the patients who died, with comorbidities and without a comorbidity were 11.1, 6.3 and 2.9, respectively ( p = 0.032). The corresponding value for maximal radiographic scores were 17.7, 9.7 and 6.0, respectively ( p = 0.033). Conclusion The severity of abnormalities quantified on chest radiographs in patients with SARS correlates with the clinical parameters.


  • 주제어

    Lung, diseases .   Lung, radiography .   Severe acute respiratory syndrome.  

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