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. 2021 May 27;12:674343. doi: 10.3389/fimmu.2021.674343

Table 1.

Population characteristics of the studies included in the meta-analysis.

Year Author Country Study type SLE HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2015 Barbulescu AL (20) Romania case-control 18 16 (88.88) 45.00 ± 10.81 17 16 (94.11) range: 19–64
2019 Barraclough M (21) UK case-control 36 34 (94) 40 ± 12.41 30 30 (100) 32 ± 14.44
2008 Ciprandi G (26) Italy case-control 40 40 (100) 41.95 ± 8.3 40 33 (82.5) 43 ± 8.2
2009 Colombo BM (27) Italy case-control 80 80 (100) 42.6 ± 9.1 80 80 (100) 40.1 ± 9.5
2014 De Jesus GR (28) Brazil case-control 54 54 (100) 34 34 (100)
2015 Ding Y (29) China case-control 41 30 (73.2) 11.1 ± 2.4 10
2009 Elhelaly NS (30) Egypt case-control 23 21 (91.3) Range 8–18 25
2012 Edelbauer M (31) Austria case-control 23 17 (73.9) 15 ± 5 20 5 (25) 12 ± 3
2018 El-Gazzar II (32) Egypt case-control 84 84 (100) 29.03 ± 5.4 33
2017 Ghazali WSW (33) Malaysia case-control 92 26 26 (100) 33.19 ± 10.3
LN 46 44 (96) 28.48 ± 9.93
Non-LN 46 46 (100) 32.39 ± 11.46
2007 Heshmat NM (34) Egypt case-control 25 24 (96) 14.1 ± 2.6 30 29 (96.7) 14.0 ± 2.5
2009 Hrycek A (35) Poland case-control 48 48 (100) 47 ± 14 24 24 (100) 51 ± 15
2009 Hrycek A (36) Poland case-control 21 21 (100) 51 ± 12.4 24 24 (100) 51 ± 15.3
2008 Ibrahim FF (37) Egypt case-control 30 30 (100) 25 ± 7.75 10 10 (100) 32 ± 7.5
1998 Kikuchi K (38) Japan case-control 17 14 (82.4) 47 ± 12.75 20 16 (80%) 50 ± 12.5
2013 Koca SS (39) Turkey case-control 23 21 (91.3) 37.9 ± 9.3 28 22 (78.6%) 42.5 ± 13.9
2007 Kuryliszyn-Moskal A (40) Poland case-control 47 44 (93.6) 40.8 ± 13.6 30
2014 Liu J (41) China case-control 75 59 (78.7) 35.42 ± 11.79 40 31 (77.5) 33.62 ± 10.21
2018 Merayo-Chalico J (42) Mexico case-control active SLE 6 6 (100) 34.6 ± 4.2 6 6 (100) 36 ± 4.1
remission SLE 6 6 (100) 34.1 ± 4.8
2016 Novikov A (43) Russia case-control 80 72 (90) 31.5 ± 36.3 28
2012 Moneib HA (44) Egypt case-control 30 21 (70) 28.9 ± 10.2 15 10 (66) 35.00 ± 9.48
2002 Navarro C (45) Mexico case-control 28 24 (85.7) 36.6± 16.1 24 19 (79.2) 29.2 ± 8.5
2005 Robak E (46) Poland case-control 41 38 (92.7) 40.5 ± 13.5 20
2003 Robak E (47) Poland case-control 60 55 (91.7) 41 ± 14.25 20 17 (85) 45 ± 5.75
2013 Robak E (48) Poland case-control 60 56 (93.3) 39.2 ± 11.25 20 17 (85)
2002 Robak E (49) Poland case-control 52 48 (92.3) 41 ± 14.75 20 18 (90) 38 ± 11.75
2017 Willis R (50) America case-control 312 30 83.3 43.5 ± 12.5
cohort1 267 252 (94.4) 47.6 ± 12.4
cohort2 45 44 (97.8) 44.0 ± 12.1
2014 Zhou L (51) China case-control 54 50 (92.6) 36.81 ± 12.52 28 22 (78.6) 37.82 ± 12.86
Year Author Country Study type RA HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2004 Ardicoglu O (52) case-conrol 38 40
2001 Ballara S (12) UK cohort early 44 61 61 ± 17.78 31 65 49 ± 12.59
longstanding 78 85 61 ± 14.07
2000 Bottomley MJ (53) UK case-conrol 61 51 (83.6) 59 ± 11.75 29 20 (69.0) 34 ± 8
2005 Kim HR (62) Korea case-conrol 30 24 (80) 50 ± 8 20 16 (80) 30 ± 8
2016 Deveci K (55) Turkey case-control 30 mean age of 30–50 30 mean age of 30–50
2002 Drouart M (56) France case-control 50 32 (64) 59.8 ± 12.8 64 30 (46.9) 42.1 ± 10.1
2016 do Prado AD (57) Brazil case-control 64 50 (78.1) 55.3 ± 9.8 30 23 (76.7) 55.9 ± 11.1
2009 Foster W (22) UK case-control 66 41 (62.1) 58 ± 14 49 34 (69.4) 54 ± 10
2018 Gumus A (58) Turkey case-control 59 25 20  (80.0) 46.4 ± 13.3
joint swelling (+) 31 27 (87.10) 45.06 ± 9.66
joint swelling (−) 28 25 (89.28) 45.10  ± 13.03
2014 Heard BJ (59) Canada case-control 100 46.5 ± 14.5 100 40.0 + 9.5
2008 Hetland ML (60) Denmark case-control 10 10
2003 Hashimoto N (61) Japan case-control active RA22 18 (81.8) 54 ± 12.75 11
1998 Kikuchi K (38) Japan case-control 11 10 (90.9) 51 ± 10.75 20 16 (80) 50 ± 12.5
2007 Cho ML (54) Korea case-control 72 49.6 ± 1.3 31 47.1 ± 2.1
2006 Kuryliszyn-Moskal A (63) Poland case-control 64 54 (84.4) 58.6 ± 12.6 32
2004 Kuwana M (64) Japan case-control 11 11 (100) 59.1 ± 12.0 11 11 (100) 52.7 ± 10.6
2010 Milman N (65) Canada case-control 47 78.70 54.3 ± 14.25
2018 Misra S (23) India case-control 50 46 (92) 35.90 ± 18.607 30 28 (93.3) 34.03 ± 10.3
2016 Novikov A (43) Russia case-control 74 59 (79.7) 54.0 ± 13.33
2001 Olszewski WL (66) Poland case-control 20 16 (80) 42 ± 7.5 20 25 ± 1
2012 Oranskiy SP (67) Russia case-control 39 (BMI normal) 82.0 53.0 ± 2.75 20 80.0 52.0 ± 2.5
2010 Ozgonenel L (68) Turkey case-control 40 32 (80) 46 ± 12.59 38 18 (47.4) 44 ± 11.11
2009 Young HR (69) America case-control 169 69.20 54.2 ± 11.8 92 63 53.2 ± 11.6
2016 Rodriguez-Carrio J (70) Spain case-control 212 175 (82.5) 54 ± 17.25 175 102 (58.3) 51 ± 14.25
2016 Smets P (71) France case-control 80:RA13 8 (61.5) 71 ± 7.97 37 24 (64.9) 73.35 ± 8.55
2004 Strunk J (72) Germany case-control active RA 21 16 (76.2) range: 38–79 12 6 (50) range: 17–58
2010 Tseng JC (73) China case-control 50 50
2001 Sone H (24) Japan case-control 155 130 (83.9) 57.9 ± 12.0 75 62 (82.7) 55.8 ± 15.4
2007 Zayed A (74) Egypt case-control 40 range:21–57 20
Year Author Country Study type SSc HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2018 Alekperov R (75) Russia case-control 46 20
2004 Allanore Y (76) France case-control 40 33 (82.5) 57 ± 12 20 17 (85) 51 ± 7
2013 Aydogdu E (77) Turkey case-control 40 38 (95) 48.35 ± 13.2 20 19 (95) 49.3 ± 8.5
2017 Benyamine A (78) France case-control 45 44 (97.8) 61.49 ± 11.95 41 38 (92.7) 56.09 ± 7.82
2014 Bosello SL (79) Italy case-control 28 11
2014 Bosello SL (80) Italy case-control 24 10
2002 Choi JJ (11) Korea case-control 48 45 (81.8) 40.6 ± 13 55 30 38 ± 6
2017 Chora I (81) Italy case-control 55 49 (89.0) 64 ± 11 55 51 (92.7) 52 ± 10.25
VEDOSS 25 21 (84.0) 50 ± 14.5
2016 Cossu M (82) Italy case-control UCTD/SSC 47 52.7 ± 14.2 43
SSc without skin fibrisis 48 62 ± 13.2
limited 51 62.1 ± 10.4
diffused 35 54.6 ± 12.6
2013 De Lauretis A (83) UK case-control 74 59 (79.7) 51.4 ± 12.1 20 7 (35) 32.7 ± 6.3
2017 Delle Sedie A (84) Italy case-control 41 40 (97.6) 56 ± 15 31 25 (80.6) 50 ± 16
2011 Distler JHW (85) Germany case-control 40 34 (85) 46 ± 14.5 66 44 (66.7) 39 ± 13.75
2002 Distler O (86) Italy case-control 43 35 (81.4) 61 ± 13.75 21 16 (76.2) 55 ± 16.75
2012 Dunne JV (87) Canada case-control 40 35 (87.5) 40
diffused 14 45.5 ± 9.5
limited 26 53.8 ± 13.25
2005 Dziankowska-Bartkowiak B (88) Poland case-control 34 26 (76.5) 48 ± 13.5 20 19 (95.0) 46 ± 9.75
diffused 15 8 (53.3) 45 ± 12
limited 19 18 (94.7) 50 ± 10.75
2006 Dziankowska-Bartkowiak B (89) Poland case-control 28 22 (78.6) 47.5 ± 13 20 15 (75) 46 ± 9.75
diffused 12 7 (58.3) 48 ± 11.5
limited 16 15 (93.8) 47 ± 10.75
2013 Farouk HM (90) Egypt case-control 25 21 (84) 40.3 ± 5.86 20 17 (85) 38.9 ± 3.8
2014 Gkodkowska-Mrowka E (91) Poland case-control 66 60 (90) 53 ± 13.25 21 18 (85.7) 52 ± 10.25
2018 Gigante A (92) Italy case-control 15 15 (100) 41 ± 10.835 10 39 ± 10.484
2008 Hummers LK (93) America case-control 113 88.90 53.0 ± 12.2 27 63 57.5 ± 2.8
2017 Ibrahim SE (94) Egypt case-control 35 33 (94.2) 30.43 ± 4.53 35 29.8 ± 4.03
2018 Kawashiri S (95) Japan case-control 60 56 (93.3) 64 ± 8.889 25
diffused 16 15 (93.8) 64 ± 6.667
limitted 44 41 (93.2) 64 ± 10.37
1998 Kikuchi K (38) Japan case-control 40 37 (92.5) 53 ± 16.25 20 16 (80) 50 ± 12.5
2004 Kuryliszyn-Moskal A (96) Poland case-control 31 31 (100) 55.2 ± 10.4 30
2013 Koca SS (39) Turkey case-control 37 32 (86.5) 45.7 ± 13.6 28 22 (78.6) 42.5 ± 13.9
2020 Lv TT (97) China case-control 30 18 (75) 44 ± 12.0 15
2004 Kuwana M (64) Japan case-control 11 11 (100) 57.7 ± 11.8 11 11 (100) 52.7 ± 10.6
2019 Michalska-Jakubus M (98) Poland case-control 47 47 (100) 56.43 ± 11.01 27 27 (100) 52.37 ± 8.87
2010 Minier T (99) Hungary case-control 131 90.80 55.9 ± 11.7 30
diffused 41 82.80 52.6 ± 13.8
limited 90 94.40 57.4 ± 10.3
2012 Morgiel E (100) Poland case-control 30 26 (86.7) 54 ± 10.3 20
2009 Papaioannou AI (101) Greece case-control 40 33 (82.5) 56.75 ± 12.5 13
2015 Reiseter S (102) Norway cohort 298 243 (82) 56.0 ± 13.8 100
2001 Sato S (103) Japan case-control 32 29 (90.6) 47 ± 18 20
2010 Riccieri V (104) Italy case-control 65 63 (96.9) 57.3 ± 15.25 16
2017 Saranya C (105) India case-control 55 median 38 30 median 39
2016 Shenavandeh S (106) Iran case-control 44 40 (90.9) 40.7 ± 12.8 44 41 (93.2) 39.4 ± 11.76
2009 Solanilla A (107) France case-control 35 25
2016 Yalcinkaya Y (108) Turkey case-control 72 66 (92) 44.9 ± 12.7 20
2020 Waszczykowska A Poland case-control 25 21 (84) 57.1 ± 10.8 25 20 (80) 59.4 ± 9.9
(109) diffused 8 7 (87.5) 50.6 ± 11.4
limited 17 14 (82.4) 60.2 ± 9.4
2008 Wipff J (110) France case-control 187 157 (84) 55.9 ± 13.2 48 40 (83.3) 59.4 ± 11.6
Year Author Country Study type BD HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2018 Arica DA (111) Turkey case-control 45 22 (48.9) 36.7 ± 10.3 28 35.7 ± 7.51
2003 Cekmen M (112) Turkey case-control 39 18 (46.2) 38.1 ± 10.4 15 7 (46.7) 39.2 ± 9.3
2013 Eldin AB (113) Egypt case-control 30 6 (20) 30.6 ± 9.36 20 4 (20) 26.9 ± 8.38
2003 Erdem F (114) Turkey case-control 33 16 (48.5) 33.2 ± 10.4 30 9 (30) 34.0 ± 11.1
2012 Ganeb SS (115) Egypt case-control 70 27 (38.6) 32.84 ± 3.63 70 29 (41.4) 32.81 ± 3.89
2019 Gheita TA (116) Egypt case-control 96 34.9 ± 10.1 60 9 (25) 36.7 ± 12.6
active 59 11 (18.6) 33.03 ± 9.8
inactive 37 6 (16.2) 36.2 ± 10.1
2011 Ibrahim SE (117) Egypt case-control 40 8 (20) 40.35 ± 7.34 40 9 (22.5) 37.3 ± 7.06
2017 Kul A (118) Turkey case-control active 40 16 (40) 37.6 ± 8.7 40 18 (45) 38.8 ± 7.9
2009 Ozdamar Y (119) Turkey case-control active prosterior segment of BD 20 7 (35) 33 ± 6
inactive ocular BD 23 10 (43.5) 35 ± 7
2007 Ozturk MA (120) Turkey case-control 21 6 (28.6) 35.8 ± 8.6 21
2018 Sertoglu E (121) Turkey case-control 55 18 (32.7) 40 ± 10 31 12 (38.7) 40 ± 13
2006 Shaker O (122) Egypt case-control 30 20 32.6 ± 9.14 15 20 30.13 ± 12.32
2013 Yalcindag A (123) Turkey case-control 65 32 (49) 40.3 ± 9.8 21 11 (48) 38.5 ± 9.3
Year Author Country Study type KD HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2011 Breunis WB (124) Netherlands case-control early101 18
2001 Hamamichi Y (125) Japan case-control acute 49 1.9 ± 0.2 38 4.5 ± 0.7
convalesent 30 4.8 ± 0.7
1998 Maeno N (126) Japan case-control 22 10 (45.5) 2.2 ± 1.425 healthy 19 9 (47.7) 1.4 ± 1.4
acute 20 10 (50) 1.5 ± 1.15 febrile 22 10 (45.5) 1.3 ± 1.4
subacute 13 5 (38.5) 2.5 ± 1.325
convalesent 15 8 (53.3) 1.9 ± 1.4
1999 Ohno T (18) Japan case-control acute 66 24 (36.4) 1.79 ± 2.375 healthy 18 8 (44.4) 4.25 ± 1.75
acute phase31 febrile 18 9 (50) 3.375 ± 2.29
convalescent phase31
2002 Takuro Ohno (127) Japan case-control acute phase 41 14 (34.1) 1.83 ± 2.17 25 8 (32) 9 ± 1.75
convalescent phase 41
2019 Su Y (128) China case-control 90 51 (56.7) 2.55 ± 1.72 healthy 60 28 (46.7) 2.19 ± 2.22
febrile 40 20 (50) 2.84 ± 1.63
2009 Ueno K (129) Japan case-control 80 37 (46.25) 2.1 ± 1.8 febrile 26 10 (38.5) 1.9 ± 1.1
2016 Zeng H (130) China case-control 52
Year Author Country Study type AS HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2016 Akar S (13)] Turkey case-control 98 27.7 ± 8.6 49
2016 Deveci K (55) Turkey case-control 30 mean age of 30–50 30 mean age of 30–50
2002 Goldberger C (132) Austria case-control 16 2 (12.5) 50.4 ± 2.7 8
2015 Lin TT (133) China case-control 140 102 (72.9) 31.8 ± 9.3 90 72 (80) 30.2 ± 8.2
2016 Przepiera-Bedzak H (134) Poland case-control 80 16 (20) 50.9 ± 12.8 21 8 (38.1) 48.2 ± 13.5
2015 Przepiera-Bedzak H (135) Poland case-control 61 12 (19.7) 43.3 ± 13.2 29 19 (65.5) 48.2 ± 13.5
2016 Przepiera-Bedzak H (136) Poland case-control 81 20 (24.7) 44.7 ± 13.2 30 19 (63.3) 43.5 ± 9.4
2016 Sakellariou GT (137) Greece case-control 57 4 (7.0) 39.1 ± 1.4 34 2 (6.0) 38.8 ± 1.0
2015 Solmaz D (138) Turkey case-control 98 21 (21.4) 39.3 ± 10.0 49 12 (24.5) 39.0 ± 5.9
2018 Solmaz D (139) Turkey case-control 97 21 (21.6) 38 ± 10.4 48 12 (25) 41 ± 5.0
2019 Torres L (140) Sweden case-control 204 87 (43) 49 ± 15.56 80
2010 Tseng JC (73) China case-control 50 50
Year Author Country Study type IBD HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2018 Aksoy EK (141) Turkey case-control UC 39 15 (38.5) 46.1 ± 12.6 15 7 (46.7) 41.4 ± 12.6
2014 Algaba A (142) Spain case-control 37 (UC = 6) 20 (54) 36 ± 13 40 24 (60) 43 ± 9
2004 Di Sabatino A (143) Italy case-control CD 25 37.8 ± 11.25 22 38.3 ± 11.25
2007 Dueñas Pousa I (144) Spain case-control CD 30 15 (50) 44 ± 14 30 15 (50) 43 ± 14
2006 Ferrante M (145) Belgium cohort 824 466 (56.6) 38.9 ± 12.07 271 156 (57.6) 28 ± 10.37
1999 Griga T (146) Germany case-control 27 10 5 (50) 29.3 ± 6.1
CD 19 8 (42.1) 34.8 ± 11.0
UC 8 3 (37.5) 46.6 ± 19.5
1998 Griga T (147) Germany case-control 46 9 5 (55.6) 31.5 ± 8.0
CD 31 13 (41.9) 33.1 ± 7.9
UC 15 7 (46.7) 34.5 ± 12.0
2001 Kanazawa S (148) Japan case-control 22 20 12 (60) 60 ± 8
CD 11 7 (63.6) 38.5 ± 5.75
UC 11 6 (54.5) 56.5 ± 10.75
2003 Kapsoritakis A (149) Greece case-control 94 23 38 ± 9
CD 44
UC 50
2015 Kleiner G (150) Italy case-control 26;CD15;UC11 12 (46.2) 9 ± 3.75 37 22 (59.5) 11 ± 4
2004 Magro F (151) Portugal case-control 218 115 59 (51.3) 32 ± 9.75
CD 145 84 (57.9) 33 ± 14.5
UC 73 43 (58.9) 35 ± 11.75
2011 Pousa ID (152) Spain case-control active UC 13 46 46 ± 12 26
2007 Pousa ID (153) Spain case-control CD 70 39 (55.7) 42 ± 13 30 15 (50) 43 ± 14
1997 Schurer-Maly CC (154) Switzer-land case-control CD 24 32
UC 23
2020 deZoeten EF (155) America case-control pediatric 5/18 (27.8) 12.7 ± 12.7 pediatric 17 7/18 (38.9) 12.7 ± 16.5
active IBD 17
adult adult 19 7/19 (36.8) 56.9 ± 14.4
actuve UC 10 36.4 ± 11.7
inactive UC 10 52.6 ± 17.7
2007 Wiercinska-Drapalo A (156) Poland case-control UC 33 13 (39.4) 43 ± 12.75 20 5 (25) 38 ± 6
Year Author Country Study type PsA HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2009 Ablin JN (14) Israel case-control skin10 4 (40) 48.6 ± 18.6 16 12 (75) 41.69 ± 9.71
arthritis22 10 (45.5) 47.18 ± 8.15
2007 Akman A (157) Turkey case-control 46 30 (65.2) 43.2 ± 14.4 20 7 (35) 34.6 ± 14.5
2010 Anderson KS (158) Sweden case-control plaque(PV) 14 4 (28.6) 47 ± 10.75 14
2001 Ballara S (12) UK cohort arthritis13 62 46 ± 17.04 31 65 49 ± 12.59
2016 Batycka-Baran A (159) Poland case-control arthritis 24 37.5 48.29 ± 9.05 36
2012 Batycka-Baran A (160) Poland case-control plaque-type psoriasis 63 41.3 42.16 ± 15.42 31 48.4 41.35 ± 15.23
2016 Capkin AA (161) Turkey case-control 48 16 (33.3) 48.6 ± 12.5 48 20 (41.7) 52.3 ± 8.4
1999 Bhushan M (162) UK case-control chronic plaque 15 6 (30) 45 ± 13.75 13 7 (53.8) 43 ± 14.75
2002 Creamer D (163) UK case-control 22 7 (31.8) 47 ± 12 17 7 (41.2) 42 ± 10
severe 11
moderate 11
arthritis 10
non-arthritis 12
2010 Flisiak I (164) Poland case-control chronic plaque 59 16 (27.1) 49.1 ± 2.1 20
mild 24
moderate 20
severe 15
2007 Fink AM (165) Austria case-control arthritis 28 10 (35.7) 54 ± 13 9 2 (22.2) 56 ± 9
active 14 4 (28.6)
inactive 14 6 (42.9)
2012 Kaur S (166) Estonia case-control Plaque (PV) 58 23 (39.7) 41.7 ± 12.0 58 30 (51.7) 41.4 ± 12.1
2014 Meki AR (167) Saudi Arabia case-control Plaque (PV)58 22 (37.9) 30.17 ± 10.71 22 11 (50) 29.36 ± 8.83
2020 Midde HS (168) India cohort 54 16 (29.6) 41.28 ± 11.83 54 16 (29.6) 41.22 ± 11.77
2002 Nielsen HJ (169) Denmark cohort Plaque (PV)16 9 (56.25) 24–70 years 13
2008 Nofal A (170) Egypt case-control Plaque (PV)30 11 (37) 42 ± 12.2 10 4 (40) 38.5 ± 11.6
2015 Przepiera-Bedzak H (135) Poland case-control arthritis 69 39 (56.5) 52.0 ± 12.0 29 19 (65.5) 48.2 ± 13.5
2016 Przepiera-Bedzak H (136) Poland case-control arthritis 76 43 (56.6) 50.8 ± 12.7 30 19 (63.3) 43.5 ± 9.4
2013 Przepiera-Bedzak H (171) Poland case-control arthritis 80 43 (53.8) 50.1 ± 12.0 20 12 (60) 48.1 ± 14.0
2016 Shahidi-Dadras M (172) Iran case-control severe chronic plaque psoriasis 60 27 (45) 38.35 ± 14.96 60 27 (45) 39.55 ± 15.24
2016 Shahidi-Dadras M (173) Iran case-control moderate-severe chronic plaque psoriasis 58 27 (46.6) 37.5 ± 14.1 60 27 (45) 39.6 ± 15.2
2009 Takahashi H (174) Japan case-control 122 41 (33.6) 47.5 ± 7.6 78 24 (30.8) 38.6 ± 12.25
2017 Zheng YZ (175) China case-control Plaque (PV)194 74 (38.1) 39.5 ± 12.70 175 81 (46.3) 40.2 ± 7.58
Year Author Country Study type GD HC
Sample size Female (%) Age (years) Sample size Female (%) Age (years)
2020 Cheng CW (10) China case-control 40 100 40.9 ± 13.5 14 100 44.1 ± 13.8
2009 Figueroa-Vega N (176) Spain case-control 44 32 (72.7) 45.11 ± 15.20 22 14 (63.6) 43.47 ± 8.62
active GO 13 9 (69.2) 46.42 ± 12.58
inactive GO 13 10 (76.9) 48.77 ± 19.31
No GO 18 13 (72.2) 41.85 ± 10.76
1998 Iitaka M (177) Japan case-control 49 39 (79.6) 34.7 ± 11.9 37 26 (70.3) 35.7 ± 11.2
2014 Kajdaniuk D (178) Poland case-control active GO16 12 (75) 37 ± 9 22
2016 Rancier M (179) Tunisia case-control 21 4 (19.0) 44.84 ± 12.10 55 29 (52.7) 46.36 ± 11.03
2014 Ye X (180) China case-control 64 30 20 (66.7) 32.8 ± 10.8
GD 30 19 (63.3) 34.50 ± 13.45
active GO34 23 (67.6) 31.06 ± 15.15
inactive GO14 9 (64.3) 30.79 ± 17.80

SLE, systemic lupus erythematosus; LN, lupus nephritis; HC, healthy control; RA, rheumatoid arthritis; HC, healthy control; SSc, systemic sclerosis; VEDOSS, very early diagnosis of systemic sclerosis; UCTD, undifferentiated connective tissue disease; HC, healthy control; BD, Behcet’s disease; HC, healthy control; KD, Kawasaki disease; HC, healthy control. AS, ankylosing spondylitis; HC, healthy control; IBD, inflammatory bowel disease; CD, Crohn’s disease; UC, ulcerative colitis; HC, healthy control; PsA, psoriasis; PV, psoriasis vulgaris; HC, healthy control; GD, Graves’ disease; GO, Graves’ ophthalmopathy; HC, healthy control.