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Volume 10, Number 6—June 2004
Research

Epidemiologic Clues to SARS Origin in China

Rui-Heng Xu*, Jian-Feng He*, Meirion R. Evans†‡Comments to Author , Guo-Wen Peng*, Hume E Field§, De-Wen Yu*, Chin-Kei Lee¶, Hui-Min Luo*, Wei-Sheng Lin*, Peng Lin*, Ling-Hui Li*, Wen-Jia Liang*, Jin-Yan Lin*, and Alan Schnur#1
Author affiliations: *Guangdong Province Center for Disease Control and Prevention, Guangzhou, China; †University of Wales College of Medicine, Cardiff, United Kingdom; ‡National Public Health Service for Wales, Cardiff, United Kingdom; §Animal Research Institute, Brisbane, Australia; ¶Australian National University, Canberra, Australia; #World Health Organization, Beijing, China

Main Article

Table 4

Prevalence (%) of physical signs, chest x-ray findings, and blood count abnormalities on admission to hospital, SARS patients, Guangdong, China, November 2002–April 2003

Variable All (n = 662) Adults (18–64 y) (n = 534) Children (<18 y) (n = 51) ORb (95% CI) p Older persons (>65 y) (n = 66) ORa (95% CI) p
Physical signs
Temperature (>38°C)
 91.3
 90.9
 97.8
 0.9 (0.3 to 3.9)
89.7
 0.5 (0.1 to 1.2)
Rigors
 15.9
 16.9
 10.9
 0.5 (0.2 to 1.3)
10.6
 0.6 (0.2 to 1.2)
Lethargy
 10.3
 11.8
 2.0
 0.2 (0.0 to 0.8)
4.5
 0.4 (0.1 to 1.1)
Myalgia
 6.6
 8.1
 2.0
 0.2 (0.0 to 1.2)
0.0
 0.0 (0.0 to 0.6)
 0.009
Cough
 50.0
 46.6
 64.7
 2.1 (1.9 to 3.9)
 0.02
 68.2
 2.5 (1.4 to 4.3)
 0.002
Sputum
 10.4
 8.6
 13.7
 1.7 (0.7 to 3.8)
24.2
 3.4 (1.8 to 6.4)
 <0.001
Dyspnea
 6.0
 5.8
 2.0
 0.3 (0.0 to 1.8)
12.1
 2.2 (0.9 to 4.5)
Clinical tests
Abnormal chest x-ray
 87.2
 87.5
 84.3
 0.8 (0.4 to 1.8)
86.4
 0.9 (0.4 to 2.0)
Leukopenia (<3.5x109/L) 13.9 14.2 16.3 1.2 (0.5 to 2.7) 8.3 0.6 (0.2 to 1.5)

aOR, odds ratio; CI, confidence interval.
bUsing adults as the reference group.

Main Article

1Drs. Evans, Field, and Lee were consultants for the World Health Organization; they assisted in its Beijing office.

Page created: February 22, 2011
Page updated: February 22, 2011
Page reviewed: February 22, 2011
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