Table 1. Main features of the articles regarding the prevalence of Metabolic Syndrome of Adults in Peru.

Reference	Article	Publication Year	Protocol	Publication language	Study Period	City	Population	Sampling Type	Age	Sample Size	MS Criteria
Soto et al 19	A-1	2005	NS	Spanish	2004	Lambayeque	Urban, rural	Randomized, multistage, stratified and by clusters	30 - 70	1,000	NCEP-ATP III12, ILIBLA
Guarnizo et al 20	A-2	2006	NS	Spanish	2004 - 2005	Lambayeque	Urban, rural	Randomized, multistage, stratified and by clusters	30 - 70	621	NCEP-ATP III12, IDF14, ILIBLA
Lorenzo et al 21	A-3	2006	PIRS	English	1999 - 2001	Lima	Urban	Randomized, multistage, stratified and by clusters	35 - 64	346	rNCEP-ATP III15, IDF14
Seclén et al 22	A-4	2006	PIRS	English	1999 - 2001	Lima	Urban	Randomized, multistage, stratified and by clusters	≥30	612	NCEP-ATP III12
Pajuelo et al 23	A-5	2007	ENINBSC	Spanish	2004 - 2005	National	Urban, rural	Randomized, multistage, stratified and by clusters	≥20	4,091	NCEP-ATP III12
Medina-Lezama et al 24	A-6	2007	PREVENCION	English	2004 - 2006	Arequipa	Urban	Randomized, multistage, stratified and by clusters	20 - 80	,1878	NCEP-ATP III12, AHA/NHLBI13
Baracco et al 25	A-7	2007	NS	English	2002 - 2003	Lima,	Urban, rural	Simple randomization	≥30	271	NCEP-ATP III12
Schargrodsky et al 26	A-8	2008	CARMELA	English	2003 - 2005	Lima	Urban	Randomized, multistage and stratified	25 - 64	1,652	NCEP-ATP III12
Cárdenas et al 27	A-9	2009	ENINBSC	Spanish	2004 - 2005	National	Urban, rural	Randomized, multistage, stratified and by clusters	≥20	4,053	IDF14
Escobedo et al 28	A-10	2009	CARMELA	English	2003 - 2005	Lima	Urban	Randomized, multistage and stratified	25 - 64	1,645	NCEP-ATP III12
Gelaye et al29	A-11	2009	FRENT Study	English	2006	Lima,	Urban	Randomized, multistage and stratified	≥18	1,675	NCEP-ATP III12
Masterson et al 30	A-12	2010	PERU MIGRANT	English	2007 - 2008	Lima,	Rural, urban, Urban, rural, rural-urban migrants	Simple randomization	≥30	985	AHA/NHLBI13
Medina-Lezama et al 31	A-13	2010	PREVENCION	English	2004 - 2006	Arequipa	Urban	Randomized, multistage, stratified and by clusters	20 - 80	1448	AHA/NHLBI13, JIS16
Miranda et al 32	A-14	2011	PERU MIGRANT	English	2007 - 2008	Lima,	Rural, urban Urban, rural, rural-urban migrants	Simple randomization	≥30	989	JIS16
Boissonet et al 33	A-15	2011	CARMELA	English	2003 - 2005	Lima	Urban	Randomized, multistage and stratified	25 - 64	1652	NCEP-ATP III12
Pajuelo et al 34	A-16	2012	ENINBSC	Spanish	2004 - 2005	<1000,	Urban, rural	Randomized, multistage, stratified and by clusters	≥20	3384	NCEP-ATP III12
Bernabe-Ortiz et al 35	A-17	2012	PERU MIGRANT	English	2007 - 2008	Lima	Rural-urban Migrants	Simple randomization	≥30	589	JIS16

MS: Metabolic Syndrome NS: Not stated, NCEP-ATP III: National Cholesterol Education Program-Adult Treatment Panel III; ILIBLA: International Lipid Information Bureau-Latin America; IDF: International Diabetes Federation; rNCEP-ATP III: revised NCEP-ATP III; AHA/NHLBI: American Heart Association/National Heart, Lung and Blood Institute; JIS: Joint Interim Statement