Table 5.

Factors associated with OQS based on the STRICTA checklist

Variables	Univariate analysis	P
	Coefficient (95% CI)
The main effect of the primary outcome	1.153 (−0.428–2.733)	0.152
Significant vs insignificant
Author’s affiliation	−0.771 (−2.054–0.512)	0.237
Hospital vs other
Center	−0.716 (−1.840–0.408)	0.21
Multicenter vs single center
Sample size	−0.132 (−1.009–0.745)	0.766
<80 vs ≧80
Year	−0.114 (−1.093–0.865)	0.818
Before 2010 vs after 2010
Funding	1.305 (0.219–2.391)	0.019
Yes vs no