Study	Reason for exclusion
Bantouna 2011	Conference abstract.
Bergvala 2010	Technical. Not a diagnostic accuracy study.
Brossier 2010a	Conference abstract.
Choi 2010	Technical. Not a diagnostic accuracy study.
Fallico 2012	Conference abstract.
Felkel 2013	Technical. No diagnostic data for FQs, SLIDs or XDR-TB.
Festoso 2011	Conference abstract.
Gkaravela 2012	Conference abstract.
Iem 2013	Technical. Only 1 case of second-line resistance.
Jang 2011	Conference abstract.
Karabela 2007	Conference abstract.
Kontos 2011	Conference abstract.
Kontos 2012	Conference abstract.
Lemus 2011	Conference abstract.
López-Roa 2010	Conference abstract.
Singh 2013	Technical. No information on resistance to the pre-specified FQs and no cases susceptible to the SLIDs.
Tessema 2012a	Technical. No information on resistance to FQs, SLIDs or XDR-TB.
Tessema 2012b	Technical. No information on resistance to FQs, SLIDs or XDR-TB.
Totten 2011	Conference abstract.
Zhang 2011	Conference abstract.