Comparison of ELISA, radioimmunoassay and stool examination for Schistosoma mansoni infection

E. G. Long, M. McLaren, M. J. Goddard, R. K. Bartholomew, P. Peters, R. Goodgame

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A comparison was made of the sensitivity and specificity of four diagnostic tests for Schistosoma mansoni infection in a community of 516 untreated persons in St. Lucia, West Indies. Prevalence of infection as obtained by: (i) the Bell filtration technique was 44·4% (one filter) and 63·2% (three filters); (ii) the Kato thick smear, 60·2%; (iii) by radioimmunoassay (RIA), 73·3%; and (iv) enzyme-immunoassay (ELISA) 70·9%. The age distribution of persons serologically positive but parasitologically negative showed these to be mostly children and persons 40 years old and over. By means of a statistical test due to Cochrane, it was concluded that there was no evidence to indicate a difference between paired serological tests and paired parasitological tests in their diagnostic capability. There was a very significant difference between the Bell technique and the other three tests. The ELISA emerged as a less satisfactory test than the RIA or the Kato thick smear. The levels of sensitivity and specificity of each test were measured by Armitage's "J" index. The reliability of the Bell filtration technique was 64%, of the ELISA 68%, of the RIA 78% and of the Kato 85%.

Original languageEnglish (US)
Pages (from-to)365-371
Number of pages7
JournalTransactions of the Royal Society of Tropical Medicine and Hygiene
Volume75
Issue number3
DOIs
StatePublished - 1981
Externally publishedYes

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Schistosomiasis mansoni
Radioimmunoassay
Enzyme-Linked Immunosorbent Assay
Saint Lucia
West Indies
Sensitivity and Specificity
Age Distribution
Serologic Tests
Immunoenzyme Techniques
Routine Diagnostic Tests
Infection

ASJC Scopus subject areas

  • Parasitology
  • Medicine(all)

Cite this

Comparison of ELISA, radioimmunoassay and stool examination for Schistosoma mansoni infection. / Long, E. G.; McLaren, M.; Goddard, M. J.; Bartholomew, R. K.; Peters, P.; Goodgame, R.

In: Transactions of the Royal Society of Tropical Medicine and Hygiene, Vol. 75, No. 3, 1981, p. 365-371.

Research output: Contribution to journalArticle

Long, E. G. ; McLaren, M. ; Goddard, M. J. ; Bartholomew, R. K. ; Peters, P. ; Goodgame, R. / Comparison of ELISA, radioimmunoassay and stool examination for Schistosoma mansoni infection. In: Transactions of the Royal Society of Tropical Medicine and Hygiene. 1981 ; Vol. 75, No. 3. pp. 365-371.
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