Table 3.

The average scores of the patients in the two groups at baseline and 1-week follow up.

	NBO			Control
	Baseline	1 week	p-value	Baseline	1 week	p-value
VAS	4.70 ± 2.16	2.90 ± 2.03	0.024	3.42 ± 2.39	3.50 ± 2.54	0.754
HIT-6	53.40 ± 12.15	50.30 ± 13.04	0.041	54.17 ± 11.98	55.00 ± 11.36	0.096
HADS	20.60 ± 7.69	19.60 ± 7.44	0.461	20.88 ± 6.33	20.63 ± 6.23	0.351
AIS	12.25 ± 5.05	11.50 ± 5.75	0.121	10.73 ± 3.47	11.36 ± 2.66	0.341
ISI	16.58 ± 8.15	15.33 ± 8.76	0.183	12.00 ± 5.95	12.55 ± 5.72	0.341
THI	50.60 ± 29.72	47.67 ± 32.21	0.172	62.57 ± 32.63	62.00 ± 32.23	0.356

Headache: VAS and HIT-6; anxiety/depression: HADS; insomnia: AIS and ISI; tinnitus/head noise: THI.

NBO, normobaric oxygen; VAS, visual analog scale; HIT-6, Headache Impact Test-6; HADS, hospital anxiety and depression scale; AIS, Athens insomnia scale; ISI, insomnia severity index; THI, tinnitus handicap inventory.