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Table 2 Prevalences of intestinal protozoan parasites in age groups

From: Possible pathogenicity of commensal Entamoeba hartmanni revealed by molecular screening of healthy school children in Indonesia

Infection or colonization Positive sample numbers (prevalence %) in age groups (years)
7 8 9 10 11 12 13 14 <
(n = 12) (n = 22) (n = 25) (n = 26) (n = 21) (n = 8) (n = 24) (n = 6)
Giardia intestinalis 8 (66.7) 11 (50.0) 11 (44.0) 15 (57.7) 12 (57.1) 4 (50.0) 19 (79.2) 1 (16.7)
G. intestinalis ass. A 3 (25.0) 3 (13.6) 1 (4.0) 2 (7.7) 5 (23.8) 1 (12.5) 8 (33.3) 0
G. intestinalis ass. B 8 (66.7) 10 (45.5) 11 (44.0) 15 (57.7) 10 (47.6) 4 (50.0) 19 (79.3) 1 (16.7)
Any Entamoeba 8 (66.7) 9 (40.9) 11 (44.0) 16 (61.5) 7 (33.3) 7 (87.5) 14 (58.3) 4 (66.7)
E. histolytica 0 0 0 0 0 0 0 0
E. dispar 0 1 (4.5) 2 (8.0) 3 (11.5) 3 (14.3) 1 (12.5) 0 0
E. moshkovskii 0 0 0 0 0 0 0 0
E. hartmanni 3 (25.0) 6 (27.3) 5 (20.0) 10 (38.5) 4 (19.0) 3 (37.5) 11 (45.8) 3 (50.0)
E. coli 7 (58.3) 9 (40.9) 8 (32.0) 13 (50.0) 6 (28.6) 6 (75.0) 12 (50.0) 3 (50.0)