Table 1

Search strategy used in Ovid MEDLINE from inception of database in 1946 to 10 November 2017

NumberSearch termsResults
1Clubfoot/3708
2(Clubf??t or club-f??t).mp.4379
3(talipes adj2 equinovarus).mp.663
4(talipes adj2 equino-varus).mp.44
5pie torcido*.mp.0
61 or 2 or 3 or 4 or 54583
7incidence/or prevalence/487 648
8exp Medical Records/139 693
9exp Population Surveillance/65 042
10(inciden* or prevalen* or occurrence* or medical record* or health record* or surveillance* or frequency*).mp.2 483 556
117 or 8 or 9 or 102 510 094
126 and 11500
13exp Lower Extremity Deformities, Congenital/9499
14((lower limb* or foot* or feet*) adj3 (defect* or malform* or abnormalit*)).mp.1667
1513 or 1410 715
1611 and 151005
1712 or 161151
  • Note. This search strategy will be checked for MeSH term and used for other electronic databases.

  • MeSH, Medical Subject Headings.