TABLE 1.

Comparative analysis of all stool and serologic diagnostic methods for S. stercoralis^a

Method	No. of samples testedb	No. positive for S. stercoralis	% positive for S. stercoralis	No. exclusively positive by one methodc
Stool
Agar plate	187	26	14	0
Baermann	188	44	23	7
Sedimentation concn	228	59	26	4
Harada-Mori	214	29	14	1
Any method	228	67	29
Serology
CrAg-ELISA	262	155	59	5
NIE-ELISA	262	140	53	10
NIE-LIPS	262	214	82	41
NIE-SsIR- LIPS	262	158	60	2

^aSubjects included 228 patients from Argentina, 23 patients from Australia, and 11 healthy individuals from North America.

^bVariations in the number of stool specimens tested by each method were due to differences in stool volume per patient. In cases where stool quantity was insufficient, the concentration method was made a priority.

^cExclusivity was calculated by the type of techniques, either serology or stool.