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Table 2 Quality assessment of included studies

From: Prevalence of metabolic syndrome and its components in Iran: an updated meta-analysis

 

inclusion and exclusion criteria

detailed description of the population

Validity and Reliability of exposure measurement

Standard criteria for measurement of the condition

identification of confounding factors

deal with confounding factors

outcome

statistical analysis

M. J.Najafzadeh et al/ 2023 (1)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Nouri-Keshtkar et al/ 2023 (2)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Moghadam-Ahmadi et al/ 2023 (3)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

M. Sohrabi et al/ 2023 (4)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Soofi et al/ 2023 (5)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Shahdadian et al/ 2023 (6)

Yes

Yes

Yes

Yes

Unclear

Unclear

Yes

Yes

H. Taghizadeh et al/2023 (7)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Kazemi et al/ 2023 (8)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. Danesh et al/ 2023 (9)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

G. Bazmandegan et al/ 2023 (10)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Bagheriniya et al/ 2023 (11)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Amini Kahrizsangi et al/ 2023 (12)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. S. Pour Abbasi et al/ 2023 (13)

Yes

Yes

Unclear

Yes

Yes

No

Yes

Yes

A. Delavari et al/ 2009 (14)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Azimi Nezhad et al/ 2008 (15)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Hadaegh et al/ 2006 (16)

Yes

Yes

Unclear

Yes

Yes

No

Yes

Yes

M. Sotoudeh Anvari et al/ 2009 (17)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Azak et al/ 2015 (18)

Yes

Yes

Unclear

Yes

Yes

Yes

Yes

Yes

S. Shahvazi et al/ 2016 (19)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

O. Rezaei et al/ 2009 (20)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

A. Razavi et al/ 2013 (21)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

J. Shakeri et al/ 2016 (22)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Z. Yazdi et al/ 2010 (23)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. Moayeri et al/ 2008 (24)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Sharifi et al/ 2009 (25)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. N. Shabestari et al/ 2016 (26)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Maddah and J. Mahdizadeh/ 2015 (27)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Marjani et al. (2012) (28)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

H. Javadi et al. (2014) (29)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

P. Ebrahimpour et al. (2006) (30)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. Chiti et al/ 2016 (31)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

A. Amiri and A. Hakimi/ 2017 (32)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

H. Fakhrzadeh et al/ 2005 (33)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

Z. Zahiri et al. (2016) (34)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

N. Reisi et al. (2009) (35)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

M. Saeidi et al. (2009)(36)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Janghorbani et al. (2007)(37)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

J. Vafaeimanesh et al. (2016)(38)

Yes

Yes

Unclear

Yes

Yes

No

Yes

Yes

A. Esteghamati et al. (2010)(39)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. A. Delavar et al. (2009)(40)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

B. Amirkalali et al. (2014)(41)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. S. Khayyatzadeh et al. (2016)(42)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Kabir et al. (2013)(43)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. A. Babai et al. (2016)(44)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Movahed et al. (2012)(45)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Karandish et al. (2016)(46)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

E. Falahi et al. (2013)(47)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

R. Jalali et al/ 2009(48)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

K. M. Rezaei et al/ 2014(49)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Saraei et al/ 2016(50)

Yes

Yes

unclear

Yes

unclear

unclear

Yes

Yes

H. Sourinejad et al/ 2016(51)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

S. Shojaei-Zarghani et al/ 2022(52)

Yes

Yes

unclear

Yes

Yes

Yes

Yes

Yes

T. Sheikhi et al/ 2022(53)

Yes

Yes

unclear

Yes

unclear

unclear

Yes

Yes

T. Kazemi et al/ 2022(54)

Yes

Yes

unclear

unclear

Yes

Yes

unclear

Yes

M. Azimi-Nezhad et al/ 2022(55)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N. Mohammadifard et al/ 2021(56)

Yes

Yes

unclear

Yes

Yes

Yes

Yes

Yes

B. Ghosn et al/ 2021(57)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. R. Baghshini et al/ 2017(58)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Sadrbafoghi et al. (2006) (59)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

E. Mousavi et al. (2009) (60)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Hossein-Nezhad et al. (2009) (61)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Zabetian et al. (2007) (62)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Frootan et al. (2011) (63)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

A. Esteghamati et al. (2008) (64)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

R. Kelishadi et al. (2007) (65)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Z. Salem et al. (2009) (66)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Esteghamati et al. (2008) (67)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N.-Z. Mirhosseini et al. (2009) (68)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

P. Schwandt et al. (2010) (69)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

I. Nabipour et al. (2007) (70)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Ghasemi et al. (2010) (71)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

R. Heidari et al. (2010) (72)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N. Sarrafzadegan et al. (2008) (73)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

R. Mohammadbeigi et al. (2011) (74)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. Fakhrzadeh et al. (2006) (75)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. R. Saberi et al. (2011) (76)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

P. Ebrahimpour et al. (2010) (77)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

E. Ainy et al. (2007) (78)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. Chiti et al. (2009) (79)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Sadeghi et al. (2006) (80)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Zabetian et al. (2007) (81)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Sanjari et al. (2011) (82)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

R. Eshtiaghi et al. (2010) (83)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Gharipour et al. (2010) (84)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Qorbani et al. (2011) (85)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

J. Najafian et al. (2011) (86)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Mehrdad et al. (2006) (87)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

K. Rahmanian et al. (2011) (88)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. A. Rashidi et al. (2010) (89)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

P. Schwandt et al. (2010) (90)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Afrand et al. (2016) (91)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N. Esmailzadehha et al. (2013) (92)

Yes

Yes

Unclear

Yes

Yes

Yes

Yes

Yes

T. Deihim et al. (2015) (93)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Y. Pasdar et al. (2017) (94)

Yes

Yes

Unclear

Yes

Yes

Yes

Yes

Yes

F. Shirani et al. (2015) (95)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Delvarianzadeh et al. (2017) (96)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N. Motamed et al. (2016) (97)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

M. Janghorbani et al. (2015) (98)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. Shahbazian et al. (2013) (99)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

G. Veghari et al. (2015) (100)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. Ebrahimi et al. (2016) (101)

Yes

Yes

Unclear

Yes

Yes

Yes

Yes

Yes

M. Hosseini et al. (2014) (102)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N. Maharlouei et al. (2013) (103)

Yes

Yes

Unclear

Yes

Yes

Yes

Yes

Yes

R. Ghorbani et al. (2012) (104)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. R. Ostovaneh et al. (2014) (105)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Marjani et al. (2012) (106)

Yes

Yes

Yes

Yes

Unclear

Unclear

Yes

Yes

M. Azimi-Nezhad et al. (2012) (107)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Tabari et al. (2015) (108)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

A. H. Tabatabaie et al. (2015) (109)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Jalilolghadr et al. (2015) (110)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

S. Moradi et al. (2016) (111)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Z. Jouyandeh et al. (2013) (112)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Zardast et al. (2015) (113)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

N. shahini et al. (2013) (114)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Janghorbani et al. (2012) (115)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Mousavi et al. (2015) (116)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

Z. Soltani et al. (2015) (117)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N. Esmailnasab et al. (2012) (118)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

MA. Kaykhaei et a (2012) (119)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

SS. Alavi et al. (2015) (120)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Ahmadi et al. (2014) (121)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Ghotboddin Mohammadi et al. (2015) (122)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

K. Hajian-Tilaki et al. (2014) (123)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Ziaee et al. (2012) (124)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Zaribaf et al. (2014) (125)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. S. Ejtahed et al. (2015) (126)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. H. Ebrahimi et al. (2015) (127)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

I. Mohebbi et al. (2012) (128)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Rafraf et al. (2013) (129)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Mahjoub et al. (2012) (130)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Unclear

R. maleki et al. (2016) (131)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

M. Afarideh et al. (2015) (132)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Karimi et al. (2015) (133)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Hosseinpanah et al. (2012) (134)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

R. Bahrani et al. (2016) (135)

Yes

Yes

unclear

Yes

Yes

Yes

Yes

Yes

A. Marjani et al. (2012) (136)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

H. Rashidi et al. (2014) (137)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

J. Aghazadeh-Attari et al. (2017) (138)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. Akbari et al. (2017) (139)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Bagherniya et al. (2017) (140)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

K. Hajian-Tilaki et al. (2017) (141)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Hami et al. (2017) (142)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

G. Jalali et al. (2017) (143)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

S. M. Kazemi-Bajestani et al. (2017) (144)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. A. Keshavarz et al. (2017) (145)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

L. Mehran et al. (2017) (146)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Noshad et al. (2017) (147)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Payab et al. (2017) (148)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

A. Fatemi et al. (2018) (149)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Mansouri et al. (2018) (150)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

R. Mehrdad et al. (2018) (151)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Mobini et al. (2018) (152)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Mohammadbeigi et al. (2018) (153)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

L. Nikniaz et al. (2018) (154)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Vafaei et al. (2018) (155)

Yes

Yes

unclear

Yes

Yes

Yes

Yes

Yes

M. Bakhshayeshkaram et al. (2019) (156)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Farahmand et al. (2019) (157)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Ghafuri et al. (2019) (158)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

L. Jahangiry et al. (2019) (159)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

F. Saki et al. (2019) (160)

Yes

Yes

Yes

Yes

Unclear

Unclear

Yes

Yes

G. Shafiee et al. (2019) (161)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

D. Afshari et al. (2020) (162)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N. Ahmadi (2020) (163)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Azargoon et al. (2020) (164)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

V. Gharibi et al. (2020) (165)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

A. M. Kazemifar et al. (2020) (166)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Khalilipour et al. (2020) (167)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

E. Lorzadeh et al. (2020) (168)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

H. A. Nikbakht et al. (2020) (169)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

M. Sepehrimanesh et al. (2020) (170)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Gh. Shariatpanahi et al. (2020) (171)

Yes

Yes

Yes

Yes

Yes

No

Yes

Yes

N. Zaeemzadeh et al. (2020) (172)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Aryannejad et al. (2021) (173)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Dehghani Firouzabadi et al. (2021) (174)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

F. Dehghani Firouzabadi et al. (2021) (175 )

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Emami-Ardestani et al. (2021) (176)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

P. Ghorbaninejad et al. (2021) (177)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

E. Heidary et al. (2021) (178)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Hosseininejad et al. (2021) (179)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

A. Meysamie et al. (2021) (180)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Naghipour et al. (2021) (181)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Nasimi et al. (2021) (182)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. Qorbani et al. (2021) (183)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N. Rabiei et al. (2021) (184)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Rafati et al. (2021) (185)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

F. Rashvand et al. (2021) (186)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Z. S. Sangsefidi et al. (2021) (187)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Shahsavani et al. (2021) (188)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

O. Tabatabaei-Malazy et al. (2021) (189)

Yes

Yes

Yes

Yes

Unclear

Unclear

Yes

Yes

F. Z. Kiani et al. (2022) (190)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes

S. Mohammadi et al. (2022) (191)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

S. Nahavandi et al. (2022) (192)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

M. J. Zibaeenezhad et al. (2022) (193)

Yes

Yes

Yes

Yes

Unclear

Unclear

Yes

Yes

G. Zoghi et al. (2022) (194)

Yes

Yes

Yes

Yes

Yes

Unclear

Yes

Yes