Table 4.

Multivariate linear regression analysis for factors associated with better OQS based on the CONSORT statement (n = 63)

Variables	β	S.E.	t	p	95% CI
Constant	4.68	0.63	7.40	<0.001	3.41–5.94
Year of publication	0.812	0.19	4.28	<0.001	0.43–1.19

S.E.; standard error