Distribution of epworth sleepiness scale and quality of life scale sub-dimension scores.

Table 2: Distribution of epworth sleepiness scale and quality of life scale sub-dimension scores.

	Lowest	Highest	Mean	SD
Epworth Sleepiness Scale	0	22	8.90	5.07
Physical Function	0	100	70.27	28.55
Physical Role Difficulty	0	100	59.66	43.63
Emotional Role Difficulty	0	100	53.86	45.22
Life	15	90	56.10	17.40
Mental Health	28	96	59.97	18.10
Social Functioning	0	100	61.31	24.32
Pain	0	100	68.08	28.65
General Health Perception	10	90	56.66	20.96