Table 2.

CD4 counts of outpatients with HIV-associated diarrhea in Houston by etiologic agent

Enteropathogen
(no. of patients)
Avg (range) CD4 cells/mm3
HEp-2 cell-adherent E. coli (20)158 (4–552)
 Localized pattern (6)138 (9–355)
 Diffuse pattern (14)166 (4–552)
Intestinal sIgA to HIV (9)182 (2–589)
Salmonella sp. (1)424
C. difficile toxin (2)324 (18–630)
Blastocystis hominis (2)153 (63–242)
Cryptosporidium parvum (9)126 (7–322)
Microsporidia (4)34 (5–87)
Giardia lamblia(1)21
I. belli (3)17 (7–36)
Mycobacterium sp. (1)4
None (31)147 (2–589)