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Table 4 Frequency of intestinal infection in relation to recalled diarrhoea

From: Susceptibility to intestinal infection and diarrhoea in Zambian adults in relation to HIV status and CD4 count

Organism Frequency (%) in months when diarrhoea reported
n = 408
Frequency (%) in months when diarrhoea not reported
n = 3790
P
Cryptosporidium parvum 11 (2.7) 38 (1.0) 0.006
Isospora belli 7 (1.7) 13 (0.3) 0.002
Microsporidia 3 (0.7) 5 (0.1) 0.035
Giardia intestinalis 7 (1.7) 47 (1.2) ns
Blastocystis hominis 31 (7.6) 249 (6.6) ns
Entamoeba histolytica 0 13 (0.3) ns
Iodamoeba butschlii 13 (3.2) 142 (3.8) ns
Entamoeba hartmanii 4 (1.0) 53 (1.4) ns
Chilomastix mesnili 30 (7.3) 250 (6.6) ns
Ascaris lumbricoides 68 (16.7) 585 (15.4) ns
Hookworm 14 (3.4) 108 (2.9) ns
Strongyloides stercoralis 1 (0.3) 12 (0.3) ns
Schistosoma mansoni 2 (0.5) 16 (0.4) ns
Endolimax nana 31 (7.6) 291 (7.7) ns
Hymenolepis nana 1 (0.3) 23 (0.6) ns
Trichuris trichiura 0 6 (0.2) ns
Taenia saginata 0 8 (0.2) ns
Salmonella spp. 5 (1.3) 46 (1.3) ns
Shigella spp. 2 (0.5) 12 (0.3) ns
Aeromonas hydrophila 3 (0.8) 13 (0.4) ns
Citrobacter rodentium 86 (23.1) 786 (22.5) ns
Vibrio cholerae 2 (0.5) 3 (0.1) 0.08
  1. Frequency of detection of protozoa, helminths and bacteria in stool samples submitted by study participants each month. Months of observation were categorised as with or without diarrhoea based on recall of symptoms every two weeks. P determined by Fisher's exact test. ns, not significant.
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