Caudal epidural steroid injections versus selective nerve root blocks for single-level lumbar spinal stenosis: a study protocol for a randomized controlled trial

Table 3 Treatment plan and evaluation of results

Data collection/recording	Person in charge	Observational phase		Follow-up phase
Data collection/recording	Person in charge	2 days before intervention	1 day after intervention	2 weeks after intervention	3 months after intervention	6 months after intervention	1 year after intervention
Obtaining informed consent	Luo Xiao	×
Collecting patients’ basic information and medical history	Han Nirong	×
Screen patients for eligibility	Ehsan Abduhani	×
LANSS pain scale	Akram Osman	×
ODI	Akram Osman Liu Zhenqiang	×	×	×	×	×	×
NRS for pain	Akram Osman Liu Zhenqiang	×	×	×	×	×	×

LANSS, Leeds Assessment of Neuropathic Symptoms and Signs Pain Scale; ODI, Oswestry Disability Index; NRS, numeric rating scale

ISSN: 1745-6215