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Volume 14, Number 2—February 2008


Diagnosis of Cystic Echinococcosis, Central Peruvian Highlands

Cesar M. Gavidia*Comments to Author , Armando E. Gonzalez*, Wenbao Zhang†, Donald P. McManus†, Luis Lopera*, Berenice Ninaquispe*, Hector H. Garcia‡, Silvia Rodríguez§, Manuela Verastegui‡, Carmen Calderon*, William K.Y. Pan¶, and Robert H. Gilman¶
Author affiliations: *Universidad Nacional Mayor de San Marcos, San Borja, Lima, Peru; †The Queensland Institute of Medical Research, Brisbane, Queensland, Australia; ‡Universidad Peruana Cayetano Heredia, Lima, Peru; §Instituto de Ciencias Neurologicas, Lima, Peru; ¶Johns Hopkins University, Baltimore, Maryland, USA;

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Table 3

Echinococcosis-positive results, by sex, 4 diagnostic tests, central Peruvian Highlands*

Test Female
No. (%) positive Total No. (%) positive Total
Ultrasonography† 30 (5.2) 572 15 (4.0) 377
Radiography‡ 7 (1.4) 497 2 (0.6) 332
IBCF§ 54 (9.7) 558 29 (7.8) 371
rEpC1-GST¶ 113 (20.3) 558 70 (18.8) 371

*By χ2 analysis, none of the tests showed a significant association between sexes with positive diagnosis.
§IBCF, antigen was bovine hydatid cyst fluid.
¶rEpC1-GST, antigen was recombinant EpC1 glutathione S-transferase.

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