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. 2023 Oct 16;11(29):7017–7025. doi: 10.12998/wjcc.v11.i29.7017

Table 5.

Comparison of Pittsburgh sleep quality index scores

Group	Time	Sleepy quality	Sleep latency	Duration of sleep	Sleep disorders	Sleep efficiency	Daytime function
Control group (n = 45)	Before treatment	2.66 ± 0.26	2.72 ± 0.26	2.88 ± 0.26	1.38 ± 0.21	2.94 ± 0.12	2.65 ± 0.15
	After 4 wk of treatment	1.66 ± 0.21	1.34 ± 0.26	1.89 ± 0.29	1.66 ± 0.21	1.83 ± 0.24	0.98 ± 0.12
t value		20.071	25.177	17.051	6.325	27.750	58.319
P value		< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
Experimental group (n = 35)	Before treatment	2.67 ± 0.29	2.73 ± 0.24	2.89 ± 0.28	1.39 ± 0.22	2.95 ± 0.16	2.69 ± 0.14
	After 4 wk of treatment	1.06 ± 0.11^a	0.71 ± 0.11^a	1.42 ± 0.21^a	1.02 ± 0.12^a	1.12 ± 0.11^a	0.22 ± 0.03^a
t value		30.709	45.266	24.848	8.735	55.759	102.060
P value		< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001

^a

P < 0.05 vs control group.