Table 2.

Data collection schedule

	Baseline	Weeks of follow-up
		1	2	4	10	21
Demographic data	✓
NRS leg pain	✓	✓	✓	✓	✓	✓
NRS back pain	✓	✓	✓	✓	✓	✓
ODI	✓	✓	✓	✓	✓	✓
EQ-5D	✓		✓		✓	✓
Likert score		✓	✓	✓	✓	✓
EQ-VAS	✓		✓		✓	✓
Cost diary					✓	✓
TEI dataa		✓	✓	✓	✓	✓

^aOnly collected for subjects that received TEI