UJI DIAGNOSTIK TES SEROLOGI WIDAL DIBANDINGKAN DENGAN KULTUR DARAH SEBAGAI BAKU EMAS UNTUK DIAGNOSIS DEMAM TIFOID PADA ANAK DI RSUP Dr. KARIADI SEMARANG
Background: Typhoid fever is a health problem in developing countries. Diagnosis by blood culture as the gold standard of Salmonella enterica. A more rapid, simple, and cheaper diagnostic method are needed.Widal serological test is a test that meets these criteria and still widely used.. This study was aim to determain the accuration of Widal serological test.
Methods: Data used in this study is patients suspected of suffering from typhoid fever in the Paediatric ward RSUP Dr .Kariadi Semarang in March to June 2011. Study subjects totaled 49 children aged 24-178 months. Blood cultures compared with the Widal serological test, determine the cut- off point and then assess the diagnostic Widal.
Results: At 1:80 titer obtained sensitivity values, specificity, positive expected value, negative expected value, and accuracy of Salmonella thypi sequentially Salmonela thypi O (97.737%, 10.00%, 40.00%, 75.00% and 36.734 %). Salmonella thyipi H (89.474%,16.667%, 40.476%, 71.429% and 44.898%). Salmonella parathypi AO (94.737%, 13.333%, 40.909%, 80.00% and 44.898%). Salmonella parathypi (100.00%, 3.33%, 39.583%, 100.00% and 40.816%). Salmonella parathypi BO (100%, 10.00%, 41.304%, 100.00%, and 44.898). Salmonella parathypi BH (73.684%, 10.667%, 35.897%, 50.00% and 38.776%).
Conclusion: The accuration of Widal serological test for diagnosing typhoid fever in children was low.
Keyword:Typhoid fever, Salmonella thypi, widal serological test, blood culture
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