Table 1.

Comparison of result of PCR and antigen detection in liver abscess pus specimen of ALA patients.

PCR results	Antigen detection result (no. of specimens positive)
	E. histolytica	Antigen negative	Total no. of specimens
E. histolytica	55a	35	90
Negative	1	21	22
Total	56	56	112

^a E. histolytica was detected by microscopy and/or culture in 10 of these 55 ELISA and PCR positive liver abscess pus specimens.