Fecal Occult Blood Test and Gastrointestinal Parasitic Infection

Table 2

FOB results in correlation with infection of detected parasites. n = number of infected cases. ${}^{*}$All samples were negative for FOB test.

Parasite ($n$)	(Single infection)		(Mixed infection)		P-value
	$+$Ve FOB	$-$Ve FOB	$+$Ve FOB	$-$Ve FOB
Hookworm (184)	32	67	35	50	0.213
T. trichiura (123)	14	37	19	53	0.896
A. lumbricoides (11)	2	4	1	4	0.621
H. nana (10)	0	4	0	6	${}^{*}$
S. mansoni (14)	2	1	4	7	0.347
S. stercoralis (20)	1	4	3	12	1.0
E. vermicularis (2)	0	0	0	2	${}^{*}$
T. saginata (2)	0	1	0	1	${}^{*}$
E. histolytica (43)	1	0	14	28	0.167
G. lamblia (39)	4	17	3	15	0.847
B. hominis (245)	16	109	17	103	0.754
Nonpathogenic protozoa (156)	12	33	19	92	0.176