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Volume 9, Number 11—November 2003

Research

Coronavirus-positive Nasopharyngeal Aspirate as Predictor for Severe Acute Respiratory Syndrome Mortality

Owen Tak-Yin Tsang*, Tai-Nin Chau*, Kin-Wing Choi*, Eugene Yuk-Keung Tso*, Wilina Lim†, Ming-Chi Chiu*, Wing-Lok Tong*, Po-Oi Lee*, Bosco Hoi Shiu Lam*, Tak-Keung Ng*, Jak-Yiu Lai*Comments to Author , Wai-Cho Yu*, and Sik-To Lai*Comments to Author 
Author affiliations: *Princess Margaret Hospital, Hong Kong; †Public Health Laboratory Centre, Hong Kong

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Table 3

Clinical progress and outcome on day 30 after admission

Clinical progress/outcome Positive RT-PCR for coronavirus
n=156 (%) Negative RT-PCR for coronavirus
n=62 (%) p value
Patients requiring ICU care
46 (29.5)
6 (9.7)
0.002
Patients requiring mechanical ventilation
38 (24.4)
5 (8.1)
0.008a
Patients developing acute renal failure
8 (5.1)
1 (1.6)
0.451a
Death 20 (12.8) 2 (3.2) 0.044a

aFisher exact test was applied if number was <5; RT-PCR, reverse transcription polymerase chain reaction.

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