ANALISIS TEMUAN BASIL TAHAN ASAM PADA SPUTUM CARA LANGSUNG DAN SEDIAAN KONSENTRASI PADA SUSPEK TUBERKULOSIS

Abstract

Tuberculosis is still an important health problem in Indonesia, being the third place in the world. The diagnosis could be done by
direct microscopic method of slides stained with Ziehl Neelsen. The finding of AFB could be improved by decontaminating the specimens
to provide a concentrated sample. To analyze the findings of AFB through microscopy and concentrated smear methods, comparing of
each to bacteriological culture. Diagnosis was done on 148 patients during May to September 2005, using microscopic method (direct
microscopy and concentrated smear) and culture. Analysis of results was done by using SPSS for Window v. 11.5. Of the 148 specimens,
15 (10.1%) and 55 (37.2%) positive AFB were found in direct microscopy and concentrated smears respectively. The sensitivities in
direct microscopy and concentrated smears were 22% and 64.8%, while the specificities were 96.8% and 78.7%, positive predictive
values (PPV) were 80% and 63.6%, negative predictive values (NPV) 68.4% and 79.5%, accuracy values were 69.5% and 73.6%. The
specificity and PPV were higher in direct microscopic method, while positive value, sensitivity, NPV and accuracy value were higher in
decontamination, concentrated sample method. Concentrated sample method will increase the accuracy of the finding of Ziehl Neelsenstained
AFB so that this method could be assumed better for use.