Table 4.

Multiple logistic regression analysis of related factors of post-operative pain.

Variables	β	SD (β)	WALD	P value	Odds Ratio	95% confidence interval
Male	−0.308	0.226	1.863	.172	0.735	0.472∼1.144
Duration of procedure∗	0.010	0.004	5.946	.015	1.010	1.002∼1.019
Sum of treated teeth	0.062	0.036	2.983	.084	1.063	0.992∼1.140
Pulpectomy or root canal therapy-primary teeth	0.001	0.043	0.001	.977	1.001	0.920∼1.090