Table 4.

Number of patients tested for a specific pathogen by reason of request, and number of positive tests, 2001 and 2002 combined. Percentages given are % of all tests for this reason, and % of these tests being positive.

All (n = 243 patients)	Campylobacter	Salmonella	Shigella	Yersinia	Viruses	Parasites
Total/positive	212/33	205/9	190/4	136/0	29/2	125/17
Reason
Duration of complaints (n = 141)	124/20 (88%/16%)	121/8 (86%/7%)	113/4 (80%/4%)	81/0 (33%)	16/2 (11%/13%)	75/11 (53%/15%)
Severity of complaints (n = 54)	49/10 (91%/20%)	47/4 (87%/9%)	45/2 (83%/4%)	40/0 (74%)	7/1 (13%/14%)	25/4 (46%/16%)
Visit to specific country (n = 53)	46/5 (87%/11%)	46/1 (87%/2%)	43/3 (81%/7%)	33/0 (62%)	7/1 (13%/14%)	28/2 (53%/7%)
Reassurance (of parents) (n = 42)	39/5 (93%/13%)	39/0 (93%)	38/0 (90%)	25/0 (60%)	8/0 (19%)	19/0 (45%)
Specific complaints (n = 25)	21/10 (84%/48%)	15/1 (60%/7%)	14/1 (56%/7%)	9/0 (36%)	2/0 (8%)	8/2 (32%/25%)
Other reason (n = 23)	17/1 (74%/6%)	17/1 (74%/6%)	13/0 (57%)	9/0 (39%)	1/0 (4%)	14/4 (61%/29%)