Table 3.

The change of VAS score by generalized estimating equations

	Model I		Model II
	β(95%CI)	p	β(95%CI)	p
Group
Control	Ref.		Ref.
Treatment	− 0.123(− 1.237, 0.991)	0.828	− 0.310(− 1.348, 0.729)	0.559
Used aceclofenac			− 0.029(− 0.238, 0.180)	0.786

^*P < 0.05, **P < 0.01, ***P < 0.001