**PEDro**

We searched the following terms applying the filter of "practice guidelines"; Low back pain; sciatic\*; radicul\*.

#### **National Institute for Health and Clinical Excellence (NICE), New Zealand Guidelines Group (NZGG), International Guideline Library**

We performed separated terms in these electronic databases using each of the following combination of terms: low back pain OR sciatic\* OR radicul\*.

## **Guideline central**

We performed separated searches entering each of the following terms: low back pain; sciatic\*; radicular; radiculopathy.
