From: Changes in the symptom pattern and the densities of large-intestinal endocrine cells following Campylobacter infection in irritable bowel syndrome: a case report
Cell type
Before infection
During infection
After infection
Controls 95% confidence interval
2 months
4 months
Chromogranin A
35
154
50
65
108–136
Serotonin
21
83
32
43
32–51
PYY
16
49
24
29
54–67
Somatostatin
22
9
3
15
14–20