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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.

From: General practitioner practices in requesting laboratory tests for patients with gastroenteritis in the Netherlands, 2001–2002

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%)