Table 3. Summary of Studies included in Review.

Authors	Year Published	Population	Mean age at start ofanalysis (Basecase)(yrs)	Reference
Burgos et al.	2009	Mexico- high TB/HIV risk sub population	Adult	(13)
de Perio et al.	2009	US Health Care workers	35	(14)
Deuffic-Burban et al.	2010	France, Contacts	35	(15)
Diel et al.	2007	Germany, Close contacts	20	(16)
Diel et al.	2007	Swiss, Contacts	20 (or 40)	(17)
Kowada et al.	2010	Japan, Rheumatoid Arthritis patients	40	(18)
Kowada et al.	2010	Japan, elderly	65	(19)
Kowada et al.	2008	Japan, contacts	20	(20)
Linas et al.	2011	US, 19 different high risk groups	Risk groups varied by age	(21)
Marra et al.	2008	Canada, Contacts (mix of foreign born/Canadian born/Aboriginal)	Age Weighted (16–35, 36–55, >56)	(22)
Oxlade et al.	2007	Canada, Migrants or contacts	35	(23)
Pareek et al.	2011	UK, Migrants	35 yrs and younger	(24)
Pooran et al.	2010	UK, Contacts	Not specified	(25)