Table 3. Mean absolute changes in VAS and WOMAC scores at follow-up visits comparing to baseline.

		Absolute change
		Group I	Group II	Group III
VAS score
	1st month compared to baseline	4.4	5.9	5.3
	3rd month compared to baseline	4.5	5.9	5.4
	6th month compared to baseline	4.7	5.9	5.6
WOMAC score
	1st month compared to baseline	46.5	53.7	49.4
	3rd month compared to baseline	44.6	56.4	54.1
	6th month compared to baseline	69.8	69.4	51.4

VAS: Visual analogue scale; WOMAC: Western Ontario and McMaster Universities Arthritis Index