Table 2.

The differences of the PSQI scores between patients and caregivers.

PSQI components	Score	Patients		Caregivers		P
		N	%	N	%
Subjective sleep quality						0.344
	0	16	15.8	25	24.7
	1	49	48.5	42	41.6
	2	23	22.8	25	24.8
	3	13	12.9	9	8.9
Sleep latency						0.413
	0	20	19.8	21	20.8
	1	39	38.6	35	34.6
	2	24	23.8	33	32.7
	3	18	17.8	12	11.9
Sleep duration						0.011
	0	42	41.5	64	63.4
	1	33	32.7	17	16.8
	2	15	14.9	9	8.9
	3	11	10.9	11	10.9
Habitual sleep efficiency						0.377
	0	53	52.5	55	54.5
	1	19	18.7	26	25.7
	2	14	13.9	8	7.9
	3	15	14.9	12	11.9
Sleep disturbances						0.474
	0	5	5	9	8.9
	1	67	66.3	69	68.3
	2	26	25.7	22	21.8
	3	3	3	1	1
Use of sleep medications						0.466
	0	95	94	97	96
	1	2	2	1	1
	2	2	2	3	3
	3	2	2	0	0
Daytime dysfunction						0.600
	0	27	26.7	20	19.8
	1	34	33.7	38	37.6
	2	24	23.8	29	28.7
	3	16	15.8	14	13.9
Global PSQI score						0.302
	≤7	62	61.4	69	68.3
	>7	39	38.6	32	31.7

Abbreviation: PSQI, Pittsburg Sleep Quality Index.