Table 4.

VAS score decrement and OKS score increment in both groups during the follow-up compared to the baseline.

	Mesotherapy group	Oral therapy group	p value (within groups)	p value (between groups)
VASa decrement, mean ± SDb			0.001
In 2 weeks	3.00 ± 1.86	2.22 ± 2.24		0.14
In 4 weeks	4.74 ± 2.26	2.96 ± 1.45		0.001
In 8 weeks	5.12 ± 2.49	4.06 ± 2.76		0.11
OKSc increment, mean ± SD			Mesotherapy group: 0.001 Oral therapy group: 0.03
In 2 weeks	8.67 ± 5.00	4.19 ± 5.49		0.001
In 4 weeks	15.48 ± 7.11	6.12 ± 5.53		0.001
In 8 weeks	16.12 ± 9.39	9.09 ± 7.02		0.001

^aVAS, Visual Analogue Scale; ^bSD, standard deviation; ^cOKS, Oxford Knee Scale.