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Table 2 Example of Medline OvidSP Search Strategy

From: Physical prognostic factors predicting outcome following lumbar discectomy surgery: systematic review and narrative synthesis

Searches Results
1 incidence.sh.
2 follow-up studies.sh.
3 prognos*.tw.
4 predict*.tw.
5 course*.tw.
6 1 or 2 or 3 or 4 or 5
7 Lumbar Vertebrae/ or lumbar.mp.
8 Lumbosacral.mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary word, unique identifier]
9 Intervertebral Disc/ or low back.mp.
10 7 or 8 or 9
11 sciatica.mp. or exp. Sciatica/
12 radicular pain.mp. or Radiculopathy/
13 Intervertebral Disc Degeneration/ or Intervertebral Disc Displacement/ or degenerative disc disease.mp.
14 Low back pain.mp. or Low Back Pain/
15 11 or 12 or 13 or 14
16 Discectomy.mp. or exp. Discectomy/
17 Discectomy.mp. [mp = title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary word, unique identifier]
18 Microsurgery/ or microdiscectomy.mp. or Discectomy, Percutaneous/
19 Laminectomy.mp. or Laminectomy/
20 16 or 17 or 18 or 19
21 6 and 10 and 15 and 20