Table 4.

Prevalences of Cryptosporidium and Giardia in dogs related to the geographical location of the participating dogs

Geographical region	Eastern Norway	Southern Norway	Western Norway	Mid Norway	Northern Norway	Total
No. dogs/No. samples	116/353	39/129	76/218	26/84	29/91	286a/875
No. Cryptosporidium positive samples (%)	72 (20.4) b	19 (14.7)	30 (13.8)	19 (22.6) c	7 (7.7) b,c	147 (16.8)
No. Cryptosporidium positive dogs (%)	62 (53.5) d,e	14 (35.9)	28 (36.8) d	15 (57.7) f	7 (24.1) e,f	126 (44.1)
No Giardia positive samples (%)	35 (9.9) g	14 (10.9) h	18 (8.3) i	5 (6.0)	1 (1.1) g,h,i	73 (8.3)
No. Giardia positive dogs (%)	28 (24.1) j	11 (28.2)k	15 (19.7)	5 (19.2)	1 (3.5) j,k	60 (21.0)

^a Four dogs moved during the study and were excluded from these calculations;

^b-k – variables with the same superscript are significantly different from each other