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Title: The LaBrosse spot test in the diagnosis of neuroblastoma
Authors: Tay, J.S.H. 
Wee, P.H.
Wong, H.B. 
Jacob, E.
Issue Date: 1979
Citation: Tay, J.S.H., Wee, P.H., Wong, H.B., Jacob, E. (1979). The LaBrosse spot test in the diagnosis of neuroblastoma. Journal of the Singapore Paediatric Society 21 (1-2) : 56-59. ScholarBank@NUS Repository.
Abstract: The LaBrosse spot test was done on the urine of 210 children suspected to have neuroblastoma. Of the nine children ultimately proved to have neuroblastoma, eight showed a positive LaBrosse test (89%). The diagnosis was confirmed in 8 out of 22 children with positive tests (36.4%). The proportion of true positives was shown to correspond very closely to the expected incidence calculated on the basis of the Bayes Theorem (36.5%). It is shown that the high percentage of false positives is a consequence of the probability theory (Bayes Theorem) rather than an inherent weakness of the test.
Source Title: Journal of the Singapore Paediatric Society
ISSN: 00375683
Appears in Collections:Staff Publications

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