Table 2.

Comparison of knee osteoarthritis patients with respect to right knee pain in the 3 groups and during 6 follow-up intervals.

	Mean ± SE			P value
	A	B	C
Before starting treatment	2.85 ± 0.15	3.05 ± 0.17	2.87 ± 0.18	0.668
First day after treatment	2.83 ± 0.15	2.72 ± 0.16	2.57 ± 0.16	0.528
Third day after treatment	2.73 ± 0.16	2.38 ± 0.15	2.05 ± 0.17	0.013*
First week after treatment	2.57 ± 0.17	1.85 ± 0.14	1.55 ± 0.15	0.000*
Third week after treatment	2.25 ± 0.19	1.58 ± 0.13	1.25 ± 0.13	0.000*
Sixth week after treatment	2.1 ± 0.18	1.25 ± 0.13	0.67 ± 0.09	0.000*

A: Placebo, B: Thymus daenensis group, C: Diclofenac group *P < 0.05.