Table 2.

vHIT results and potential risk factors median gain and standard deviation (SD) values of all 23 included children.

	vHIT Results		Potential risk factors developmental delay
	gain ± SD right	gain ± SD left
1	1,31 ± 0,29	1,06 ± 0,41O	—
2	1,34 ± 0,66	1,33 ± 0,45	—
3	0,94 ± 0,19	0,95 ± 0,44O	Father: migraine
4	1,39 ± 0,49	1,20 ± 0,21	—
5	1,01 ± 0,15	0,46 ± 0,23R	Able to walk ≥16 months,
			Both parents migraine and kinetosis
6	0,95 ± 0,39	0,90 ± 0,34	Mother: migraine
7	0,86 ± 0,31	0,84 ± 0,42	Mother: migraine
8	0,69 ± 0,05R	0,64 ± 0,03R	Father: migraine
9	0,98 ± 0,14	1,11 ± 0,15	Child: kinetosis
10	0,94 ± 0,27	0,57 ± 0,20R	—
11	1,37 ± 0,20O	1,24 ± 0,42	Mother: migraine
			Child: kinetosis
12	1,06 ± 0,00	1,01 ± 0,63	Able to walk ≥16 months,
			mother: migraine
13	1,26 ± 0,12	0,96 ± 0,28	Able to walk ≥16 months,
			delayed motoric development
14	1,32 ± 0,28	1,01 ± 0,41	Child: kinetosis
15	1,10 ± 0,13	1,44 ± 0,39	—
16	1,04 ± 0,09	0,88 ± 0,40	—
17	1,40 ± 0,14O	1,12 ± 0,31O	Able to walk ≥16 months,
			kinetosis and delayed motoric development
18	1,53 ± 0,23O	1,04 ± 0,18O	Able to walk ≥16 months, delayed motoric development
19	1,01 ± 0,21	1,10 ± 0,21	Father: migraine
20	1,02 ± 0,06	0,75 ± 0,21R	Able to walk ≥16 months,
			both parents migraine, delayed motoric development
21	1,15 ± 0,19O,C	0,94 ± 0,12O	—
22	0,92 ± 0,52	1,05 ± 0,39	Episodic nystagmus,
			mother: migraine
23	1,00 ± 0,16O,C	1,11 ± 0,13O	—

Pathologic vHITs are marked. Occurrence of saccades are indicated by O respectively C, reduced gain by R.