Table 4.

VN area measurements of cases according to study groups.

	non-IBS (n=53)	IBS (n=66)	p†
VN area (mm2)
Right	2.0 (2.0–3.0)	2.0 (2.0–3.0)
95% CI	2.0–2.0	2.0–2.0	0.549
Left	2.0 (1.0–2.0)	2.0 (1.0–2.0)
95% CI	2.0–2.0	2.0–2.0	0.874
Mean	2.0 (1.5–2.5)	2.0 (2.0–2.5)
95% CI	2.0–2.0	2.0–2.0	0.670

Data were shown as median (25th–75th) percentiles.

^†Mann–Whitney U test.

95% CI: 95% confidence interval; IBS: irritable bowel syndrome; VN: vagus nerve.