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Table 11 Clinical and economic burden search strategy

From: Clinical, economic, and humanistic burden of asthma in Canada: a systematic review

Medline (1996 to present)

1

Asthma[MeSH] OR Asthma [Title,abstract]

71642

2

hospitalisation[MeSH] OR cost of illness[MeSH] OR absenteeism OR ambulatory care/Economics[MeSH] OR drug costs[MeSH] OR emergency medical services/Economics[EMTREE] OR healthcare costs[MeSH] OR nursing services/Economics[MeSH] OR physicians/Economics[MeSH]

77559

3

(burden OR clinical impact OR hospitalisation OR utilization OR burden of illness OR cost$1 OR cost of illness OR utilization OR nursing cost$1 OR physician cost$1 OR physician visit$1).TI,AB.

354392

4

1 AND (2 OR 3)

6208

5

canada OR canadian OR alberta OR british columbia OR manitoba OR new brunswick OR newfoundland NEXT labrador OR northwest territories OR nova scotia OR nunavut OR ontario OR prince edward island OR quebec OR saskatchewan OR yukon NEXT territory

462814

6

4 AND 5 AND LG=English AND HUMAN=YES

430

7

Publication Type=RANDOMIZED CONTROLLED TRIAL

223783

8

6 NOT 7

398

9

limit set 8 YEAR > 1999

324

EmBase (1992 to present)

10

Asthma[EMTREE] OR Asthma[Title,abstract]

100645

11

hospitalisation[EMTREE] OR cost of illness[EMTREE] OR cost[EMTREE] OR absenteeism[EMTREE] OR drug cost[EMTREE] OR healthcare cost[EMTREE] OR nursing cost[EMTREE]

348772

12

(burden OR clinical impact OR hospitalisation OR utilization OR burden of illness OR cost$1 OR cost of illness OR utilization OR nursing cost$1 OR physician cost$1 OR physician visit$1)[Title,abstract]

381230

13

10 AND (11 OR 12)

10735

14

canada OR canadian OR alberta OR british columbia OR manitoba OR new brunswick OR newfoundland NEXT labrador OR northwest territories OR nova scotia OR nunavut OR ontario OR prince edward island OR quebec OR saskatchewan OR yukon NEXT territory

462680

15

13 AND 14 AND LG=English AND HUMAN=YES

654

16

Randomized Controlled Trial[EMTREE] OR Randomized Controlled Trial Topic[EMTREE]

249284

17

15 NOT 16

596

18

limit set 17 YEAR > 1999

515

EMCare

19

Asthma[EMTREE] OR Asthma[Title,abstract]

28554

20

hospitalisation[EMTREE] OR cost of illness[EMTREE] OR cost[EMTREE] OR absenteeism[EMTREE] OR drug cost[EMTREE] OR healthcare cost[EMTREE] OR nursing cost[EMTREE]

152470

21

(burden OR clinical impact OR hospitalisation OR utilization OR burden of illness OR cost$1 OR cost of illness OR utilization OR nursing cost$1 OR physician cost$1 ORphysician visit$1)[Title,abstract]

156234

22

19 AND (20 OR 21)

4228

23

canada OR canadian OR alberta OR british columbia OR manitoba OR new brunswick OR newfoundland NEXT labrador OR northwest territories OR nova scotia OR nunavut OR ontario OR prince edward island OR quebec OR saskatchewan OR yukon NEXT territory

174145

24

22 AND 23 AND LG=EN

312

25

Randomized Controlled Trial[EMTREE] OR Randomized Controlled Trial[EMTREE]

82273

26

24 NOT 25

278

27

limit set 26 YEAR > 1999

222

Medline, EmBase and EMCare combined

28

combined sets 9, 18, 27

1061

29

dropped duplicates from 28

486

30

unique records from 28

575

31

split set 30

320 Medline

32

split set 30

234 EmBase

33

split set 30

21 EmCare