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Volume 10, Number 8—August 2004

Research

SARS in Three Categories of Hospital Workers, Hong Kong

Joseph T.F. Lau*Comments to Author , Xilin Yang*, P.C. Leung*, Louis Chan*, Eliza Wong*, Carmen Fong*, and H.Y. Tsui*
Author affiliations: *The Chinese University of Hong Kong, Hong Kong, China

Main Article

Table 2

Mean and median attack rates of the 16 hospitals by job categories

Mean of attack rates (%) SD Median of attack rates (%) Interquartertile range Range
Group N
1.07
1.38
0.49
0.99
0.00–4.66
Group S
2.34
3.43
1.22
2.76
0.00–13.30
Group O
0.32
0.49
0.16
0.37
0.00–1.53
Overalla
1.06
1.31
0.59
0.82
0.00–4.38
p value 0.035b 0.015c

aOverall: all the hospital workers, including all three groups (group N, nurses; group S, nonmedical support staff; group O, other technical and medical staff)
bp values for testing differences among group N, S, and O (ANOVA).
cp values for testing differences among group N, S, and O (Kruskal-Wallis test).

Main Article

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