Volume 10, Number 4—April 2004
Research
SARS Transmission, Risk Factors, and Prevention in Hong Kong
Joseph T.F. Lau*
, Hiyi Tsui*, Mason Lau*, and Xilin Yang*
, Hiyi Tsui*, Mason Lau*, and Xilin Yang*Table 1
Distribution of 1,214 severe acute respiratory syndrome cases covered by the study
| n | % | |
|---|---|---|
| Incomplete information |
22 |
- |
| Complete information |
1,192 |
100a |
| Known sources (any of 1.1 to 1.4) |
727 |
61.0 |
| Probable secondary/tertiary household infection |
192 |
16.1 |
| Hospital care workers |
317 |
26.6 |
| Amoy Gardens residents |
170 |
14.3 |
| Inpatients |
58 |
4.9 |
| Not belong to 1.1-1.4 but had contacted SARS patient(s) within 14 days before onset of fever |
240 |
20.1 |
| Patients with cases of undefined sources (do not belong to 1 and 2) |
347 |
29.1 |
| Visited Amoy Gardensb |
51 |
4.3 |
| Visited PWHb |
12 |
1.0 |
| Visited other hospitals or clinicsb |
134 |
11.2 |
| Visited an affected countryb |
43 |
3.6 |
| None of 3.1 to 3.4b | 118 | 9.9 |
aCalculated based on complete data.
bNot including patients <16 years of age; PWH, Prince of Wales Hospital.
