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Table 1 Search Strategy Example. The search strategy below was used to conduct the MEDLINE search for the current systematic review and meta-analysis. Database: Ovid MEDLINE(R) 1946 to Present

From: Can screening instruments accurately determine poor outcome risk in adults with recent onset low back pain? A systematic review and meta-analysis

# Searches
1 Back Pain/
2 Low Back Pain/
3 Sciatica/
4 Radiculopathy/
5 (back pain or low back pain or radiculopathy or sciatica or back?ache or lumbago).mpa
6 (pain or ache or aching or complaint or dysfunction or disability or disorder).mpa
7 Back or spine or lumbar or lumbar spine or low*back).mpa
8 6 and 7
9 1 or 2 or 3 or 4 or 5 or 8
10 (screen* or risk screen* or risk).mpa
11 (tool or questionnaire or instrument).mpa
12 10 and 11
13 9 and 12
14 (predict* or prognosis or prediction rule* or early identification or predictive validity or predictive factors or prognostic or prognostic indicators).mpa
15 13 and 14
16 Limit 15 to (English language and humans)
  1. amp: title, abstract, original title, name of substance word, subject heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier