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Table 3 Prevalence and distribution of parasite species, according to the study area

From: Prevalence of and risk factors for malaria, filariasis, and intestinal parasites as single infections or co-infections in different settlements of Gabon, Central Africa

Parasite species, n (%) Total
(n=270)
Libreville
(n=73)
Melen
(n=76)
Dienga
(n=121)
Blood parasites
P. falciparum 37 (13.7) 3 (4.1) 31 (42.7) 3 (2.5)
 Filariae 19 (7.0) 6 (8.2) 0 (0.0) 13 (10.7)
Intestinal Protozoa
G. duodenalis 13 (4.8) 1 (1.4) 2 (2.6) 10 (8.3)
E. histolytica/dispar 25 (9.3) 4 (5.5) 3 (3.9) 18 (14.9)
B. hominis 131 (48.6) 40 (54.8) 26 (34.2) 65 (53.7)
E. coli 60 (22.2) 15 (20.5) 7 (9.2) 38 (31.4)
STHs
A. lumbricoides 37 (13.7) 1 (1.4) 1 (1.3) 35 (28.9)
T. trichiura 32 (11.8) 2 (2.7) 1 (1.3) 29 (24.0)
S. stercoralis 10 (3.7) 5 (6.8) 0 (0.0) 5 (4.1)
N. americanus 1 (0.4) 0 (0.0) 0 (0.0) 1 (0.8)
Monoparasitism
P. falciparum 19 (7.0) 1 (1.4) 18 (23.7) 0 (0.0)
 Filariae 4 (1.5) 0 (0.0) 0 (0.0) 4 (3.2)
A. lumbricoides 2 (0.7) 0 (0.0) 0 (0.0) 2 (1.6)
S. stercoralis 1 (0.4) 0 (0.0) 0 (0.0) 1 (0.8)
G. duodenalis 1 (0.4) 0 (0.0) 0 (0.0) 1 (0.8)
E. histolytica/dispar 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
B. hominis 43 (15.9) 19 (26.0) 12 (15.8) 12 (9.9)
E. coli 6 (2.2) 4 (5.5) 1 (1.3) 1 (0.8)
Polyparasitism
 Two parasites 54 (20.0) 16 (21.9) 8 (10.5) 30 (24.8)
P. falciparum + intestinal protozoa 8 (3.0) 2 (2.7) 6 (7.9) 0 (0.0)
 Filariae + intestinal protozoa 4 (1.5) 3 (4.1) 0 (0.0) 1 (0.8)
 Filariae + STH 2 (0.7) 0 (0.0) 0 (0.0) 2 (1.6)
 Intestinal protozoa 19 (7.0) 4 (5.5) 2 (2.8) 13 (10.7)
 STH 5 (18.5) 1 (1.4) 0 (0.0) 4 (3.2)
 Intestinal protozoa + STH 16 (5.9) 6 (8.2) 0 (0.0) 10 (8.3)
 Three parasites 25 (9.3) 7 (9.6) 3 (3.9) 15 (12.4)
P. falciparum + intestinal protozoa 3 (1.1) 1 (1.4) 2 (2.6) 0 (0.0)
 Filariae + intestinal protozoa 1 (0.4) 1 (0.4) 0 (0.0) 0 (0.0)
 Filariae + STH + intestinal protozoa 4 (1.5) 0 (0.0) 0 (0.0) 4 (3.3)
 Intestinal protozoa + STH 8 (3.0) 1 (1.4) 1 (1.3) 6 (5.0)
 Intestinal protozoa 9 (3.3) 4 (5.5) 0 (0.0) 5 (4.1)
 ≥ Four parasites 33 (12.2) 2 (2.7) 5 (6.6) 26 (21.5)
P. falciparum + intestinal protozoa + STH 5 (1.5) 0 (0.0) 1 (1.3) 4 (3.2)
P. falciparum + intestinal protozoa 3 (1.1) 0 (0.0) 3 (3.9) 0 (0.0)
 Filariae + STH + intestinal protozoa 1 (0.4) 0 (0.0) 0 (0.0) 1 (0.8)
 Filariae + intestinal protozoa 3 (1.1) 2 (2.8) 0 (0.0) 1 (0.8)
 Protozoa + STH 16 (5.9) 0 (0.0) 0 (0.0) 16 (13.2)
 Protozoa 5 (1.8) 0 (0.0) 1 (1.3) 4 (3.2)