OSA Wellness Scale (OWS): A New Health-Related Quality of Life Test in Obstructive Sleep Apnea Patients Treated with Mandibular Advancement Device

Table 1

Data and statistical analysis of the extracted records.

	BMI and TO	BMI and T1	ODI TO	ODI and T1	AHI and T0	AHI and T1	ESS and T0	ESS and T1	OWS and T0	OWS and T1
Number of values	51	51	51	51	51	51	51	51	51	51
Mean	26.07	26.40	18.05	6.547	20.79	6.900	8.392	4.314	8.039	4.137
Std. Deviation	3.594	3.359	14.66	7.211	15.47	6.859	5.142	2.494	4.280	3.060
Std. Error of mean	0.5033	0.4703	2.053	1.010	2.166	0.9605	0.7201	0.3492	0.5993	0.4284
Lower 95% CI of mean	25.06	25.46	13.92	4.519	16.44	4.971	6.946	3.612	6.835	3.277
Upper 95% CI of mean	27.08	27.35	22.17	8.575	25.14	8.829	9.838	5.015	9.243	4.998
Normality test	Yes	Yes	No	No	No	No	No	Yes	No	No
	ns		<0.0001		<0.0001		<0.0001		<0.0001

BMI = body mass index; ODI = oxygen desaturation index; AHI = apnea-hypopnea index (AHI); ESS = Epworth sleepiness scale; OWS = OSA wellness scale.