Table 2.
Prevalence of Enteric Infections Among Enrolled Children Overall and by Dysenteric History/Presentation
| Organism Identified | Overall N = 1360 |
History or Current Visible Blood in Stool N = 85 |
No History or Current Visible Blood in Stool N = 1275 |
|---|---|---|---|
| Bacteria (N = 1360) | N % | n % | n % |
| No bacteriaa | 589 (64.7%) | 37 (67.3%) | 552 (64.6%) |
| Any pathogenic Escherichia colib | 222 (22.5%) | 14 (25.5%) | 208 (24.3%) |
| EAEC | 124 (12.6%) | 4 (7.3%) | 120 (14.0%) |
| EHEC | 2 (0.2%) | 0 | 2 (0.2%) |
| EIEC | 24 (2.5%) | 3 (5.5%) | 21 (2.5%) |
| EPEC (atypical)c | 18 (2.3%) | 2 (4.1%) | 16 (2.2%) |
| EPEC (typical) | 38 (3.9%) | 2 (3.6%) | 36 (4.2%) |
| ETEC | 41 (4.2%) | 3 (5.5%) | 38 (4.4%) |
| Campylobacter sppd | 101 (7.4%) | 3 (3.5%) | 98 (7.7%) |
| Shigella spp | 63 (4.6%) | 7 (8.2%) | 56 (4.4%) |
| Shigella boydii | 1 (1.6%) | 0 | 1 (0.08%) |
| Shigella dysentariae | 2 (0.17%) | 1 (1.2%) | 1 (0.08%) |
| Shigella flexneri | 21 (1.8%) | 5 (5.9%) | 16 (2.2%) |
| Shigella sonnei | 28 (2.1%) | 1 (1.2%) | 27 (2.1%) |
| Undeterminede | 11 (0.8%) | 0 | 11 (0.9%) |
| Salmonella sppf | 13 (1.0%) | 1 (1.2%) | 12 (0.9%) |
| Aeromonas hyrophila | 3 (0.2%) | 0 | 3 (0.2%) |
| Plesiomonas shigelloides | 1 (0.07%) | 0 | 1 (0.1%) |
| Parasites (N = 1247g) | |||
| Giardia spp | 127 (10.2%) | 4 (4.8%) | 123 (10.6%) |
| Cryptosporidium spp | 56 (4.5%) | 1 (1.2%) | 55 (4.7%) |
| Helminthsh | 39 (3.1%) | 5 (6.0%) | 34 (2.9%) |
| Entamoeba histolytica/dispar | 5 (0.4%) | 0 | 5 (0.4%) |
| Isospora spp | 1 (0.08%) | 0 | 1 (0.1%) |
| No bacteria or parasite (N = 813i) | 423 (52.0%) | 33 (61.1%) | 390 (51.4%) |
Abbreviations: EAEC, enteroaggregative E coli; EHEC, enterohemorrhagic E coli; EIEC, enteroinvasive E coli; EPEC, enteropathogenic E coli; ETEC, enterotoxigenic E coli.
aAmong the 910 children whose stool was cultured and PCR tested for pathogenic E. coli; among those with dysentery (n=55).
bTested only in children enrolled before October 2013 (n=910 samples, among those with dysentery [n=55]).
cAmong those in which eae gene was tested (n=770, among those with dysentery [n=49]).
dCampylobacter jejuni (n=76), Campylobacter spp. other than jejuni (n=25).
eNot speciated due to antisera stock out.
fNon-typhoidal species (n=12), Salmonella typhi (n=1).
gTestable only among those who provided a whole stool sample (as opposed to rectal swab); among those with dysentery (n=83).
hOnly able to detect Ascaris lumbricoides infections.
iAmong those who were able to provide a stool sample (rather than rectal swab) and who were tested for all bacteria (including pathogenic E.coli); among those with dysentery (n=54).