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Table 2 Search strategy applied in MEDLINE

From: Negative pressure wound therapy: Potential publication bias caused by lack of access to unpublished study results data

No. Search terms
1 amputation$.ti,ab.
2 exp AMPUTATION/
3 exp AMPUTATION TRAUMATIC/
4 burn$.ti,ab.
5 exp BURNS/
6 decubit$.ti,ab.
7 deglov$.ti,ab.
8 diabet$.ti,ab.
9 exp DIABETES MELLITUS/
10 electric$ injur$.ti,ab.
11 frostbit$.tw.
12 exp FROSTBITE/
13 laceration$.ti,ab.
14 exp LACERATIONS/
15 open-abdom$.ti,ab.
16 exp ABDOMINAL WALL/su
17 plastic-surg$.ti,ab.
18 exp SURGERY, PLASTIC/
19 reconstruct$-surg$.ti,ab.
20 exp RECONSTRUCTIVE SURGICAL PROCEDURES/
21 skin-graft$.ti,ab.
22 skin-transplant$.ti,ab.
23 exp SKIN TRANSPLANTATION/
24 surg$ flap.ti,ab.
25 exp SURGICAL FLAPS/
26 thermal injur$.ti,ab.
27 exp ELECTRIC INJURIES/
28 ulcer$.ti,ab.
29 ul#us$.ti,ab.
30 exp SKIN ULCER/
31 exp SOFT TISSUE INFECTIONS/
32 exp ULCER/
33 wound$.ti,ab.
34 exp WOUND INFECTION/
35 exp WOUND HEALING/
36 wound dehiscence.ti,ab.
37 exp SURGICAL WOUND DEHISCENCE/
38 "mini-v.a.c.$".ti,ab.
39 negative-pressur$.ti,ab.
40 subatmospheric-pressur$.ti,ab.
41 sub-atmospheric-pressur$.ti,ab.
42 $suction$.ti,ab.
43 exp SUCTION/
44 vacuum$.ti,ab.
45 exp VACUUM/
46 (clin$ adj25 trial$).ti,ab.
47 clinical trial.pt.
48 exp CLINICAL TRIALS/
49 (control$ or prospectiv$ or volunteer$).ti,ab.
50 controlled clinical trial.pt.
51 COMPARATIVE STUDY.sh.
52 DOUBLE BLIND METHOD.sh.
53 exp EVALUATION STUDIES/
54 FOLLOW-UP STUDIES.sh.
55 placebo$.ti,ab.
56 PLACEBOS.sh.
57 PROSPECTIVE STUDIES.sh.
58 random$.ti,ab.
59 randomized controlled trial.pt.
60 RANDOM ALLOCATION.sh.
61 RANDOMIZED CONTROLLED TRIALS.sh.
62 RESEARCH DESIGN.sh.
63 SINGLE BLIND METHOD.sh.
64 ((singl$ or doubl$ or trebl$ or tripl$) adj25 (blind$ or mask$)).ti,ab.
65 or/1–37
66 or/38–45
67 or/46–65
68 and/66–68
  1. Note: We have amended or deleted 2 terms contained in the original strategy. The first term "frostbite$.ti,ab." was replaced by "frostbit$.tw.". The second term "(metaanaly$ or (meta and analy$) or ((review or search$) and (systemat$))).ti,ab." was deleted. The amended strategy did not affect the search results. However, as an article may be published in the future and missed by not truncating the first term at the appropriate spot, the term "frostbit$.tw." should be used. The second term is superfluous.