Table 1

Time of visits and data collection

	Baseline	Treatment phase			Follow-up phase
	−1st week	Week 0	2 weeks	4 weeks	1 month	2 months
Patients
Informed consent	×
Demographics	×
Medical history	×
Physical examination	×
Knee X-ray	×
Randomisation		×
Intervention		×	×	×
Outcomes
WOMAC	×		×	×	×	×
VAS	×		×	×	×	×
PGA			×	×	×	×
Adverse events			×	×	×	×

WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index; VAS, visual analogue scale; PGA, patient global assessment.