Table 1.

Schedule of treatments and outcome measures throughout the trial

		Baseline	Treatment period									Follow-up period
		0 week	1 week			2 week			3 week			4 week	5 week
Measures	VAS	√	√						√				√
	Pain Vision	√	√						√				√
	SF-MPQ	√	√						√				√
	ODI	√	√						√				√
	Safety	√							√
Treatments	Interlaminar epidural steroid injection		√			√			√
	acupuncture		√	√	√	√	√	√	√	√	√

ODI, Oswestry Disability Index; SF-MPQ, short-form McGill Pain Questionnaire; VAS, visual analogue scale.