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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 1

Number of hospital workers, SARS-affected hospital workers, and SARS patients admitted to hospitals and attack rates

Hospital no.a No. of SARS patients admitted to hospitals No. of hospital staff who contracted SARS
Attack rates (%)
Group N Group S Group O Overalla Group N Group S Group O Overallb
1
3
0
0
2
2
0.00
0.00
0.73
0.18
2
7
0
0
0
0
0.00
0.00
0.00
0.00
3
17
6
2
0
8
1.19
0.96
0.00
0.79
4
17
0
0
0
0
0.00
0.00
0.00
0.00
5
24
1
3
0
4
0.33
1.29
0.00
0.64
6
29
7
3
1
11
0.95
0.83
0.23
0.71
7
36
2
0
0
2
0.12
0.00
0.00
0.07
8
53
1
2
1
4
0.26
1.80
0.41
0.54
9
82
5
5
1
11
0.42
1.11
0.18
0.50
10
83
8
6
0
14
0.51
1.15
0.00
0.48
11
85
6
6
1
13
0.47
1.41
0.14
0.54
12
114
18
14
4
36
3.58
6.93
1.37
3.61
13
128
15
7
0
22
0.87
1.42
0.00
0.68
14
188
13
14
2
29
1.01
3.36
0.26
1.17
15
326
64
54
2
120
4.66
13.30
0.21
4.38
16
563
35
18
10
63
2.76
3.92
1.53
2.64
Pooled
1,755
181
134
24
339
1.21
2.73
0.29
1.20
p value





< 0.001c
< 0.001c
< 0.001c
< 0.001c
Spearman correlation coefficients 0883*** 0.928*** 0.525* 0.914* 0.737* 0.865*** 0.390 0.686**

aAll hospital workers, including all three groups (group N, nurses; group S, nonmedical support staff; and group O, other technical and medical staff).
bAll hospitals that had at least admitted one SARS patient.
cp values derived from Pearson chi-square test and comparing the attack rates among all the 16 hospitals.
dp values derived from Fisher-Freeman-Halton test and comparing the attack rates among all the 16 hospitals: *, p < 0.05; **, p < 0.01; and ***, p < 0.001.

Main Article

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