650 IU/L (OR 6.4, 23.8 and 4.7 respectively). Conclusion Clinical and epidemiological factors can help us to explain why transmission was observed in some instances but not in others."/>
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Table 3 Multivariate analysis of factors associated with transmission

From: Clinical and epidemiological predictors of transmission in Severe Acute Respiratory Syndrome (SARS)

Features OR (95% CI) p-values
Epidemiological features   
Delayed isolation (on Day 7 or later) 6.43 (1.66–24.84) 0.007
Ever admitted to a non-isolation ward 23.83 (2.41–235.27) 0.007
Laboratory investigations   
- maximum lactate dehydrogenase >650IU/L 4.73 (1.14–19.65) 0.032