Hematological and biochemical factors predicting SARS fatality in Taiwan

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Title:	Hematological and biochemical factors predicting SARS fatality in Taiwan
Authors:	(Chang HL);(Chen KT);(Lai SK);(Kuo HW);(Su IJ);(Lin RS);宋鴻樟(Fung-Chang Sung)*
Contributors:	公共衛生學院環境醫學研究所
Keywords:	C-reactive protein;dyspnea;fatality;lactic acid dehydrogenase;lymphopenia;severe acute respiratory syndrome
Date:	2006-06
Issue Date:	2009-08-25 14:28:46 (UTC+8)
Abstract:	Background/Purpose Severe acute respiratory syndrome (SARS) has a high fatality rate worldwide. We examined the epidemiologic and clinical factors associated with death for all laboratory-confirmed SARS patients in Taiwan. Methods Using initial data in medical records reported by hospitals to the Center for Disease Control in Taiwan, we analyzed whether hematological, biochemical and arterial blood gas measures could predict fatality in 346 SARS patients. Results Both fatalities (n = 73; 21.1%) and survivors had elevated plasma concentration of initial C-reactive protein (CRP), but the mean CRP concentration was higher in fatalities (47.7 ± 43.3 mg/L) than in survivors (24.6 ± 28.2 mg/L). Initial lymphocyte counts were low in both fatalities (814 ± 378/μL) and survivors (1019 ± 480/μL). After controlling for age and sex, multiple logistic regression analysis showed that hematological factors significantly associated with fatality included initial neutrophil count > 7000/μL (odds ratio [OR] = 6.4), initial CRP concentration > 47.5 mg/L (OR = 5.8) and lactic acid dehydrogenase (LDH) > 593.5 IU/L (OR = 4.2). Factors significantly associated with initial CRP concentration > 47.5 mg/L included dyspnea (OR = 4.3), red blood cell count < 4.1 × 106/μL (OR = 4.3) and serum aspartate amino-transferase > 57 IU/L (OR = 3.1). Conclusion Initial neutrophil count, CRP and LDH levels are important predictors of mortality from SARS. Key Words:
Relation:	JOURNAL OF THE FORMOSAN MEDICAL ASSOCIATION 105(6)439~450
Appears in Collections:	[Graduate Institute of Environmental Medicine] Journal articles

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