The effect of surgery on the outcome of treatment for multidrug-resistant tuberculosis: a systematic review and meta-analysis

Table 5 Risk of bias using the Agency for Healthcare Research and Quality tool for systematic reviews and meta-analyses (n = 6 studies)*

First author, year of publication	Study question	Search strategy	Inclusion and exclusion criteria	Interventions	Outcomes	Data extraction	Study quality and validity	Data synthesis and analysis	Results	Discussion	Funding or sponsorship
Marrone 2013 [10]	Yes	Yes	Yes	Partial	Partial	Partial	Yes	Yes	Partial	Yes	No
Kempker 2012 [9]	Yes	No	No	No	No	No	No	No	No	Partial	Yes
Ahuja 2012 [36]	Yes	Yes	Yes	Partial	Partial	No	Partial	Yes	Partial	Yes	Partial
Fox (unpublished) [21]	Yes	No	Yes	Yes	Yes	No	No	Yes	Yes	Yes	Yes
Falzon 2013 [20]	Yes	Yes	Yes	No	Partial	No	Partial	Yes	Yes	Yes	Yes
Johnston 2009 [37]	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes

*Response of “Yes” indicates that the methodological issue was appropriately addressed/managed, “No” means the issue was not managed, and “Partial” indicates the information required to make a judgement was unclear or partially reported

ISSN: 1471-2334