Bulletin of the World Health Organization

Pre-treatment loss to follow-up in tuberculosis patients in low- and lower-middle-income countries and high-burden countries: a systematic review and meta-analysis

Peter MacPherson, Rein MGJ Houben, Judith R Glynn, Elizabeth L Corbett & Katharina Kranzer

Volume 92, Number 2, February 2014, 126-138

Table 1. Systematic strategy used to search for studies on pre-treatment loss to follow-up in tuberculosis patients

Set MEDLINE Global Health
1 tuberculosis tuberculosis
2 TB patient refusal of treatment
3 TUBERCULOSIS dropout
4 Sets 1–3 were combined with “OR” dropouts
5 PATIENT DROPOUT referral
6 DELAYED DIAGNOSIS delayed
7 REFERRAL AND CONSULTATION attrition
8 DIAGNOSTIC SERVICES retain
9 TUBERCULOSIS, PULMONARY DIAGNOSIS treatment programme
10 initial delay* initial delay
11 initial default* initial default
12 drop out retention
13 attrition diagnostic delay
14 retention treatment delay
15 retain* care seeking
16 diagnostic delay* loss to follow-up
17 treatment delay* lost to follow-up
18 treatment seek* Sets 2–17 were combined with “OR”
19 care seek* Sets 1 and 18 were combined with “AND”
20 loss to follow-up Set 19 was limited to 1994–2013
21 lost to follow-up
22 loss to follow-up
23 lost to follow-up
24 Sets 1–23 were combined with “OR”
25 Sets 4 and 24 were combined with “AND”
26 Set 25 was limited to 1994–2013 

Note: Words written in capital letters were used as MeSH headings; the others were used as free text. The asterisks are the truncation symbol in Medline (i.e. any possible ending after the preceding text).