Impact of phakic intraocular lens implantation on anxiety and depression in patients with high myopia

Table 3 Comparison of Pittsburgh Sleep Quality Index scores before and after treatment

PSQI	Before treatment	After treatment	P value
Sleep efficiency	2.82 ± 0.33	1.16 ± 0.52	< 0.001
Sleep quality	2.77 ± 0.46	0.92 ± 0.45
Sleep disorder	2.78 ± 0.37	0.87 ± 0.43
Sleep time	2.89 ± 0.32	1.29 ± 0.58
hypnotic	2.36 ± 0.48	0.87 ± 0.32
Sleep time	2.64 ± 0.41	0.95 ± 0.35
Daytime dysfunction	2.49 ± 0.38	0.71 ± 0.37
Total sores	18.89 ± 0.68	7.32 ± 0.56

PSQI: Pittsburgh Sleep Quality Index.