Table 4. Adverse events.

Nausea, n		nVNS			P(exact)
		None	Yes		0.50
Sham	None	1	0	1
	Yes	2	13	15
		3	13	16
Constipation, n		nVNS			P(exact)
		None	Yes		1.00
Sham	None	1	0	1
	Yes	0	15	15
		1	15	16
Vomit, n		nVNS			P(exact)
		None	Yes		0.50
Sham	None	0	0	0
	Yes	2	14	16
		2	14	16
Dizziness, n		nVNS			P(exact)
		None	Yes		0.63
Sham	None	1	1	2
	Yes	3	11	14
		4	12	16
Headache, n		nVNS			P(exact)
		None	Yes		1.00
Sham	None	0	2	2
	Yes	2	12	14
		2	14	16
Fatigue, n		nVNS			P(exact)
		None	Yes		1.00
Sham	None	3	1	4
	Yes	2	10	12
		5	11	16
Abdominal pain, n		nVNS			P(exact)
		None	Yes		0.38
Sham	None	1	1	2
	Yes	4	10	14
		5	11	16
Diarrhoea, n		nVNS			P(exact)
		None	Yes		1.00
Sham	None	1	1	2
	Yes	2	12	14
		3	13	16
Dry mouth, n		nVNS			P(exact)
		None	Yes		1.00
Sham	None	2	0	2
	Yes	1	13	14
		3	13	16
Itching, n		nVNS			P(exact)
		None	Yes		1.00
Sham	None	0	1	1
	Yes	0	15	15
		0	16	16
Other, n		nVNS			P(exact)
		None	Yes		0.25
Sham	None	0	0	0
	Yes	3	13	16
		3	13	16

Note: Distribution of specific adverse events after nVNS and sham treatment (None: No adverse events; Yes: Adverse events noted).

Abbreviations: n = number of patients.