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Table 5 Primary search strategy for MEDLINE

From: Treatment of idiopathic pulmonary fibrosis: a network meta-analysis

#

Search strategy

1

exp pulmonary fibrosis/

2

exp Fibrosis/

3

exp Respiratory Tract Diseases/

4

exp Respiratory System/

5

3 or 4

6

and 5

7

1 or 6 [PF Subject Headings]

8

((lung$ or respir$ or pulmonary or alveol$) adj6 (fibros$ or fibrotic or fibrous)).tw.

9

(Cystic adj fibro$).mp.

10

8 not 9 [Cystic Fibrosis articles eliminated]

11

(idiopa$ adj2 pulmonary adj2 fibro$).tw.

12

Idiopathic Pulmonary Fibrosis/

13

ipf.mp. and (idiopa$ or pulmonary).tw.

14

11 or 12 or 13 [Add IPF back in]

15

7 or 10 or 14 [PF Subject Headings -- Lung/Fibrosis Textword terms]

16

(interstitial$ adj3 (fibros$ or fibrotic or fibrous)).tw.

17

5 and 16 [Respiratory Subject Headings -- interstitial fibrosis Textword terms]

18

14 or 17 [PF Subject headings -- PF Textwords]

19

(((usual or ordinary) adj3 interstitial) and pneumo$).tw.

20

(cryptog$ and (fibros$ or fibrotic or fibrous) and alveol$).tw.

21

idiopa$ interstitial pneumoni$.tw.

22

19 or 20 or 21 [Other textwords used to describe IPF]

23

Lung Diseases, Interstitial/ or (interstitial adj lung adj disease$).tw. or (parenchymal.tw. and (lung$ or pulmonary)).tw.

24

(((unknow$ or uncertain$) adj4 (origin$ or cause$ or aetiol$ or etiol$)) or idiopa$).tw.

25

23 and 24 [Concept to describe idiopathic disease concept of ILD]

26

18 or 22 or 25 [PF Subject headings -- PF Textwords -- IPF Textwords]

27

limit 26 to human [must be indexed with human (animal could be included]

28

limit 26 to animal [must be indexed with animal (human could be included)]

29

26 not 27 not 28 [citations not indexed with human or animal]

30

27 or 29 [limited to human (may include animals) or citations without animal/human limits]

31

201404$.dp,ed,ep.

32

201405$.dp,ed,ep.

33

31 or 32

34

30 and 33

35

limit 34 to english language

36

limit 34 to abstracts

37

35 or 35