Table 1.
Search No. | Querya | Items |
---|---|---|
30 | Search 20, NOT 21; limits: humans, English, preschool children aged 2–5 y, children aged 6–12 y, adolescents aged 13–18 y, publication date from 1970 to 2012 | 951 |
29 | Search 20, NOT 21; limits: humans, preschool children aged 2–5 y, children aged 6–12 y, adolescents aged 13–18 y, publication date from 1970 to 2012 | 1079 |
28 | Search 20, NOT 21; limits: humans, preschool children aged 2–5 y, children aged 6–12 y, adolescents aged 13–18 y | 1088 |
24 | Search 20, NOT 21; limits: humans, infants aged 1–23 mo, preschool children aged 2–5 y, children aged 6–12 y, adolescents aged 13–18 y | 1096 |
22 | Search 20, NOT 21 | 4284 |
21 | Searches 14 and 19; limits: animals, editorial, letter, review, case reports, comment, in vitro | 49 |
20 | Searches 14 and 19 | 4333 |
19 | Search (“overweight/complications” [mesh] or “overweight/mortality” [mesh]) | 27 587 |
14 | Search (((“morbidity” [mesh]) or “mortality” [mesh]) or “infection” [mesh]) or “respiratory distress syndrome, adult” [mesh] | 1 076 667 |
NOT indicates the Boolean operator used in the search strategy of the PubMed database.