Skip to main content

Table 2 The time from onset of symptoms to stool sample taking.

From: Symptoms and sources of Yersinia enterocolitica-infection: a case-control study

Time from the onset of symptoms to sample taking Bio/serotype 3-4/O:3 or 2/O:9 Biotype 1A p-value 1
0 - 2 weeks 61% (37/61) 36% (67/187)  
2 - 4 weeks 20% (12/61) 11% (20/187)  
4 - 6 weeks 8% (5/61) 6% (11/187)  
Over 6 weeks 0 8% (15/187)  
Not known 2 11% (7/61) 40% (74/187)  
mean:(min- max) 3 12 days:(1-39) 25 days:(0 -360) P = 0.03
  1. 1 P for the difference between YE bio/serotypes 3-4/O:3 or 2/O:9 and biotype 1A
  2. 2 No date or inexact date for the onset of symptoms or sample taken before symptoms began
  3. 3Subjects with not known onset of symptoms excluded