Nonsurgical Korean Integrative Treatments for Symptomatic Lumbar Spinal Stenosis: A Three-Armed Randomized Controlled Pilot Trial Protocol

Table 1

Schedule for outcome assessment.

Stage	Screening	Treatment period in the inpatient unit				Follow-up
Weeks	0	2	3	4	5	6	18	30
0-to-100 visual analogue scales for low back and leg pain		◯	◯	◯	◯	◯	◯	◯
EQ-5D		◯	◯	◯	◯	◯	◯	◯
Oswestry Disability Index		◯	◯	◯	◯	◯	◯	◯
Roland-Morris Disability Questionnaire		◯				◯	◯	◯
Oxford Claudication Score		◯				◯	◯	◯
Walking duration and distance without pain	◯	◯	◯	◯	◯	◯	◯	◯
Radiologic test (L-spine X-ray of flexion and extension views and L-spine MRI)	◯					⨀		⨀
Adverse events		◯	◯	◯	◯	◯	◯	◯

◯: outcome variables that will be assessed in all participants; ⨀: L-spine X-ray of flexion and extension views will only be assessed in the patients with spondylolisthesis.