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In multivariate analysis, LDH values above 364.8 U/mL reduced the risk of hospitalization by approximately 80% (OR, 0.19; p = 0.011), the investigators report.
The authors also point out that nasal wash LDH did not correlate with serum LDH, "implying that nasal wash LDH originated from cellular events that occurred in the respiratory airways."
Pediatrics 2010;125:e225-e233.
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