Table. 4.

Association between quality of SGAs with studies’ characteristics using multiple linear regression models

Variable Univariable analysis Multivariable analysis


B (95% CI) P value B (95% CI) P value
Risk of bias 0.33 (–0.24, 0.91) 0.258 0.16 (–0.45, 0.78) 0.591
Source of funding –0.005 (–0.61, 0.60) 0.986 –0.05 (–0.71, 0.61) 0.880
Sample size 0.15 (–0.41, 0.73) 0.586 –1.81 (–0.99, 0.63) 0.658
Journal impact factor 0.33 (–0.24, 0.91) 0.258 0.23 (–0.39, 0.85) 0.461
Korean J Pain 2021;34:139~155 https://doi.org/10.3344/kjp.2021.34.2.139
© Korean J Pain