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

Table 2

The mean difference of each evaluated parameter.

	BMI T0 and T1	ODI T0 and T1	AHI T0 and T1	ESS T0 and T1	OWS T0 and T1
Number of values	51	51	51	51	51
Mean	0.3345	−11.50	−13.89	−4.078	−3.902
Std. Deviation	1.366	12.76	13.35	4.408	3.874
Std. Error of mean	0.1913	1.787	1.869	0.6173	0.5425
Passed normality test (alpha = 0.05)?	No	No	No	No	No

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