Table 5.

Summary of publication biases.

Outcome	Text?>	z	P
Total effective rate		1.28	.2012
PSQI	Total	–0.59	.0000
	Excluded Yao’s trial	–1.86	.0633
Sleep quality		–1.75	.0805
Sleep latency		–0.70	.4842
Sleep time		–0.51	.6104
Sleep efficiency		–0.82	.4114
Sleep disorder		0.18	.8557
Daytime function		–0.43	.6696

PSQI = The Pittsburgh Sleep Quality Index.