Table 3.

PSQI subscales

	Patients	Controls	Statistics
	(mean ± SD)	(mean ± SD)	(t)	(p)
Subjective sleep quality	1.33 ± 0.81	0.85 ± 0.58	4.48	0.001*
Sleep latency	1.33 ± 0.81	0.73 ± 0.64	5.49	0.001*
Sleep duration	0.62 ± 0.84	0.56 ± 0.59	0.48	0.632
Habitual sleep efficiency	0.60 ± 0.77	0.38 ± 0.51	2.22	0.028*
Sleep disturbances	1.63 ± 0.75	0.93 ± 0.57	7.04	0.001*
Use of sleep medication	0.02 ± 0.20	0.00 ± 0.00	0.88	0.382
General dysfunction	1.19 ± 0.89	0.68 ± 0.63	4.40	0.001*
Total sleep disorder	6.71 ± 3.02	4.11 ± 1.64	6.94	0.001*

^*p<0.05, significant