Reduced T Cell Receptor Excision Circle Levels in the Colonic Mucosa of Microscopic Colitis Patients Indicate Local Proliferation rather than Homing of Peripheral Lymphocytes to the Inflamed Mucosa

Table 1

Demographic features of the patients and controls.

	Age (years)^a at the time			Disease duration	Bowel movements/day^a	On treatment (total)
	Sex (F/M)	of disease diagnosis	of investigation	(years)^a		NSAIDs	PPIs
CC	7/1	61 (46–81)	63 (56–84)	4 (0–17)	5 (3–12) (𝑛=7)/ND (𝑛=1)	2 (8)	0 (8)
LC	5/0	69 (60–86)	69 (60–86)	0 (0–7)	6 (6–20) (𝑛=4)/ND (𝑛=1)	0 (5)	0 (5)
CC-HR	3/0	49 (42–59)	58 (43–63)	4 (1–9)	4 (2–4)	0 (3)	0 (3)
LC-HR	6/0	64 (23–79)	66 (23–79)	1 (0–3)	4 (3–6) (𝑛=5)/ND (𝑛=1)	0 (6)	0 (6)
NI diarrhoea	13/4	NA	58 (22–77)		4 (𝑛=1)/ND (𝑛=16)	ND	ND
UC	2/2	NA	54 (33–67)		10 (𝑛=1)/ND (𝑛=3)	ND	ND
Controls	6/4	NA	64 (42–88)			ND	ND

CC: collagenous colitis; LC: lymphocytic colitis; CC-HR: CC-histopathological remission; LC-HR: LC-histopathological remission; NI diarrhoea patients: noninflamed diarrhoea patients; NSAID: nonsteroidal anti-inflammatory drugs, and PPIs: proton pump inhibitors.
^aMedian (min–max), ND: no data, NA: not applicable.