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Volume 9, Number 11—November 2003


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 4

Multivariate analysis on risk factors associated with 30-day mortalitya

Risk factors Adjusted OR
(95% CI) p value
Significant coexisting conditions
13.4 (3.1 to 58.2)
Shortness of breath on admission
3.9 (1.2 to 12.3)
Total leukocyte count >4.0 x109/L
at admission
6.94 (1.18 to 41.6)
Positive RT-PCR on NPA
6.4 (1.1 to 38.0)
Use of pulsing doses of steroid 26.0 (4.4 to 154.8) 0.001

aOR, odds ratio; CI, confidence interval; RT-PCR, reverse transcription polymerase chain reaction; NPA, nasopharyngeal aspirates.

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