Skip to main content

Table 1 Search strategy for retrieval of relevant articles from multiple databases

From: Association between BDNF levels and suicidal behaviour: a systematic review protocol

Database Search strategy
MEDLINE (n = 106) 1. exp Suicide/
2. suicid*.mp.
3. exp Self-Injurious Behavior/
4. (self harm* or self inflict* or self injur* or self wound* or self mutilat*).mp.
5. automutilat*.mp
6. 1 or 2 or 3 or 4 or 5
7. brain derived neurotrophic factor.mp. or Brain-Derived Neurotrophic Factor/
8. bdnf.mp
9. 7 or 8
10. 6 and 9
EMBASE (n = 366) 1. exp suicidal behaviour/
2. suicid*.mp.
3. exp automutilation/
4. (self harm* or self inflict* or self wound* or self mutilat* or autmutilat*).mp.
5. 1 or 2 or 3 or 4
6. brain derived neurotrophic factor.mp. or exp brain derived neurotrophic factor/
7. bdnf.mp.
8. 6 or 7
9. 5 and 8
PsycINFO (n = 76) 1. exp Suicide/
2. exp Attempted Suicide/
3. exp Suicidal Ideation/
4. suicide*.mp
5. exp Self Injurious Behavior/
6. (self harm* self injur* or self inflict* or self wound* or self mutilat* or autmutilat*).mp.
7. 1 or 2 or 3 or 4 or 5 or 6
8. brain derived neurotrophic factor.mp. or exp Brain Derived Neurotrophic Factor/
9. bdnf.mp.
10. 8 or 9
11. 7 and 10
CINAHL (n = 4) 1. MH (“Suicide+”)
2. “suicid*”
3. MH (“Self-Injurious Behavior”)
4. “self harm*” OR “self injur*” OR “self inflict*” OR “self wound*” OR “self mutilat*” OR “automutil*”
5. 1 or 2 or 3 or 4
6. “brain derived neurotrophic factor”
7. “bdnf”
8. 6 or 7
9. 5 and 8
  1. CINAHL, Cumulative Index to Nursing and Allied Health Literature; EMBASE, Excerpta Medica Database.