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Sleep Board Review Test 1

28. Low or absent CSF concentrations of hypocretin 1 have a sensitivity and specificity for narcolepsy with cataplexy of _____ and _____.

a. 87%, 99%

b. 52%, 99%

c. 95%, 95%

d. 85%, 85%

e. 100%, 100%

Answer: a. 87% and 99%

Reference:

Baumann CR and Bassetti CL. Lancet Neurol 2005;4:673-82

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