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Volume 11, Number 2—February 2005


Quarantine for SARS, Taiwan

Ying-Hen Hsieh*Comments to Author , Chwan-Chuan King†, Cathy W. S. Chen‡, Mei-Shang Ho§, Jen-Yu Lee*, Feng-Chi Liu*, Yi-Chun Wu¶, and Jiunn-Shyan JulianWu
Author affiliations: *National Chung Hsing University, Taichung, Taiwan; †National Taiwan University, Taipei, Taiwan; ‡Feng Cha University, Taichung, Taiwan; §Academia Sinica, Taipei, Taiwan; ¶Center for Disease Control, Taipei, Taiwan

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Table 3

Results of Mann-Whitney test for temporal changes in onset-to-diagnosis time of 473* confirmed SARS case-patients with onset of illness during period 1,† period 2, and period 3, 2003

Interval (d) Period 1 (N = 161) Period 2 (N = 146) Period 3 (N = 166) Mean difference (p value)
Onset to diagnosis 3.6398 2.0959 1.5439‡ (< 0.0001)
Onset to diagnosis 2.0959 2.6024 0.5065 (0.0722)

*5 cases deleted because of missing information on the relevant dates and 2 case-patients deleted because their onsets of SARS did not occur during the 3 periods of 2/25–6/15.
†Period 1 (2/25–4/27), time from onset of first case to the day before implementation of intervention measures including level B quarantine; period 2 (4/28–5/9), time from implementation of intervention measures to the implementation of expedited classification procedure; period 3 (5/10–6/15), time of the expedited classification procedure to the date of onset of the last SARS case.
‡Denotes significance at 1% level.

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