|  | Cases |  | Controls |  | ||||||||||
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First authors | Year | Country | Study type | N | Age (years), mean ± SD | Gestational BMI(kg/m2) | Mean ± SD(ng/mL)/(ng/mL) | N | Age (years), mean ± SD | Gestational BMI(kg/m2) | Mean ± SD(ng/mL)/(ng/mL) | P | Criteria for GDM | Measurement | NOS |
Apelin | |||||||||||||||
Baris [11] | 2014 | Turkey | Cohort | 141 | 35.18 ± 5.55 | 26.82 ± 4.25 | 0.33 ± 0.18 | 49 | 34.89 ± 5.64 | 26.50 ± 2.66 | 0.56 ± 0.29 | < 0.001 | ADA | ELISA system) | 7 |
Mehmet [6] | 2012 | Turkey | CC | 30 | 30.90 ± 4.20 | 25.90 ± 3.30 | 13.50 ± 9.30 | 30 | 31.00 ± 3.20 | 25.70 ± 2.80 | 9.60 ± 5.90 | 0.001 | ACOG | ELISA | 8 |
Emel [12] | 2016 | Turkey | Cohort | 20 | 28.95 ± 6.21 | 27.95 ± 4.19 | 2.29 ± 0.39 | 20 | 27.00 ± 1.20 | 27.05 ± 4.05 | 0.91 ± 0.32 | < 0.001 | ACOG | ELISA | 6 |
Oncul [7] | 2013 | Turkey | CC | 24 | 34.00 ± 7.00 | 31.32 ± 5.82 | 0.15 ± 0.05 | 21 | 30.00 ± 4.00 | 29.32 ± 4.53 | 0.16 ± 0.09 | 0.602 | C&C | ELISA | 7 |
Beata [4] | 2010 | Poland | CC | 101 | 31.00 ± 6.02 | 24.57 ± 5.11 | 1.65 ± 0.39 | 101 | 30.00 ± 4.51 | 23.39 ± 4.21 | 1.65 ± 0.32 | > 0.05 | WHO | RIA | 7 |
Beata [4] | 2010 | Poland | CC | 20 | 31.65 ± 3.76 | 20.66 ± 4.51 | 1.61 ± 0.24 | 16 | 29.65 ± 5.26 | 25.94 ± 4.51 | 1.59 ± 0.49 | > 0.05 | WHO | RIA | 7 |
Chemerin | |||||||||||||||
Panayoula [33] | 2018 | Greece | CC | 5 | 29.80 ± 1.20 | 26.90 ± 0.80 | 209.39 ± 37.60 | 13 | 30.60 ± 3.40 | 26.90 ± 0.60 | 162.27 ± 10.04 | > 0.05 | IADPSG | ELISA | 7 |
Panayoula [33] | 2018 Greece | Greece | CC | 10 | 27.70 ± 1.60 | 36.00 ± 1.50 | 215.16 ± 17.19 | 10 | 36.10 ± 1.20 | 36.40 ± 1.80 | 212.81 ± 36.22 | > 0.05 | IADPSG | ELISA | 7 |
Gillian [23] | 2012 | Australia | CC | 69 | 35.20 ± 0.60 | 31.20 ± 0.90 | 117.60 ± 3.50 | 62 | 33.10 ± 0.60 | 34.80 ± 1.00 | 124.20 ± 4.00 | > 0.05 | ADIPS | ELISA | 7 |
Boyadzhieva [5] | 2013 | Bulgarias | CC | 127 | 32.20 ± 5.20 | 28.50 ± 6.60 | 6.89 ± 2.26 | 109 | 30.60 ± 4.40 | 28.00 ± 5.40 | 7.97 ± 2.42 | 0.009 | IADPSG | ELISA | 8 |
Syeda [26] | 2017 | Pakistan | CC | 208 | 27.30 ± 5.56 | 24.83 ± 5.13 | 93.39 ± 45.43 | 300 | 25.78 ± 4.73 | 22.38 ± 3.93 | 14.35 ± 5.88 | < 0.001 | IADPSG | ELISA | 8 |
Umit [27] | 2016 | Turkey | CS | 76 | 27.59 ± 12.09 | 36.25 ± 22.21 | 4.53 ± 3.82 | 82 | 26.35 ± 12.833 | 31.10 ± 21.05 | 3.43 ± 1.84 | 0.100 | ACOG | ELISA | 6 |
Li [24] | 2015 | China | CC | 16 | 29.30 ± 2.50 | 23.00 ± 0.40 | 222.00 ± 25.20 | 15 | 28.30 ± 2.40 | 20.90 ± 0.50 | 73.10 ± 8.60 | < 0.05 | ADA | ELISA | 7 |
Li [24] | 2015 | China | CC | 16 | 29.30 ± 3.10 | 27.10 ± 0.40 | 225.20 ± 26.80 | 15 | 29.40 ± 2.80 | 26.90 ± 0.30 | 151.00 ± 15.50 | < 0.05 | ADA | ELISA | 7 |
Li [24] | 2015 | China | CC | 16 | 29.14 ± 4.38 | 33.00 ± 0.80 | 136.80 ± 20.30 | 12 | 29.50 ± 4.84 | 33.40 ± 0.80 | 195.00 ± 34.40 | > 0.05 | ADA | ELISA | 7 |
Liang [25] | 2018 | China | CC | 46 | 31.89 ± 4.53 | 21.52 ± 3.38 | 20.11 ± 3.28 | 43 | 30.58 ± 3.77 | 21.06 ± 2.93 | 17.63 ± 3.63 | 0.001 | ADA | ELISA | 8 |
Sadia [16] | 2018 | Canada | Cohort | 105 | 35.00 ± 4.00 | 25.78 ± 5.19 | 54.80 ± 16.00 | 76 | 35.00 ± 4.00 | 24.79 ± 5.21 | 55.80 ± 12.70 | 0.48 | NDDG | ELISA | 8 |
Dorte [8] | 2010 | Germany | CC | 40 | 33.00 ± 10.00 | 24.90 ± 4.90 | 217.60 ± 72.30 | 80 | 28.00 ± 5.00 | 22.30 ± 7.00 | 230.30 ± 42.40 | > 0.05 | ADA | ELISA | 8 |
Yang [15] | 2017 | China | CC | 19 | 26.84 ± 2.95 | 22.74 ± 1.68 | 146.60 ± 38.91 | 20 | 26.84 ± 2.95 | 21.72 ± 1.23 | 187.23 ± 46.83 | < 0.05 | IADPSG | ELISA | 7 |
Yang [15] | 2017 | China | CC | 19 | 26.84 ± 2.95 | 25.67 ± 1.39 | 308.56 ± 56.43 | 20 | 26.84 ± 2.95 | 24.15 ± 1.24 | 227.53 ± 46.49 | < 0.05 | IADPSG | ELISA | 7 |
Omentin | |||||||||||||||
Panayoula [33] | 2018 | Greece | CC | 5 | 29.80 ± 1.20 | 26.90 ± 0.80 | 17.69 ± 2.46 | 13 | 30.60 ± 3.40 | 26.90 ± 0.60 | 31.85 ± 6.67 | < 0.05 | IADPSG | ELISA | 7 |
Panayoula [33] | 2018 | Greece | CC | 10 | 27.70 ± 1.60 | 36.00 ± 1.50 | 19.20 ± 1.60 | 10 | 36.10 ± 1.20 | 36.40 ± 1.80 | 20.25 ± 3.55 | < 0.05 | IADPSG | ELISA | 7 |
Aktas [28] | 2014 | Turkey | Cohort | 36 | 28.60 ± 7.20 | 28.40 ± 13.74 | 304.27 ± 413.06 | 37 | 48.00 ± 8.60 | 27.00 ± 12.34 | 363.28 ± 488.19 | 0.001 | C&C | ELISA | 8 |
Gillian [29] | 2012 | Australia | Cohort | 21 | 35.50 ± 0.80 | 23.20 ± 0.80 | 12.10 ± 1.40 | 27 | 33.10 ± 0.70 | 23.40 ± 0.60 | 19.50 ± 2.30 | < 0.05 | ADIPS | ELISA | 8 |
Gillian [29] | 2012 | Australia | Cohort | 18 | 34.00 ± 1.10 | 37.80 ± 1.50 | 8.20 ± 1.20 | 17 | 30.80 ± 1.10 | 38.60 ± 1.30 | 7.10 ± 0.90 | > 0.05 | ADIPS | ELISA | 8 |
Emel [12] | 2016 | Turkey | Cohort | 20 | 28.95 ± 6.21 | 27.95 ± 4.19 | 13.11 ± 1.79 | 20 | 27.00 ± 1.20 | 27.05 ± 4.05 | 18.64 ± 3.48 | < 0.001 | ACOG | ELISA | 6 |
Marie [31] | 2018 | Australia | Cohort | 96 | 34.10 ± 7.40 | 28.00 ± 6.60 | 157.00 ± 83.00 | 96 | 32.80 ± 9.30 | 26.30 ± 4.70 | 158.00 ± 93.00 | 0.94 | ADA | ELISA | 8 |
Marie [31] | 2018 | Australia | Cohort | 96 | 34.10 ± 7.40 | 28.00 ± 6.60 | 118.00 ± 77.00 | 96 | 32.80 ± 9.30 | 26.30 ± 4.70 | 150.00 ± 89.00 | 0.12 | ADA | ELISA | 8 |
Lewandowski [30] | 2010 | Poland | CC | 20 | 29.70 ± 5.50 | 28.10 ± 4.70 | 48.00 ± 12.00 | 23 | 28.30 ± 3.90 | 28.30 ± 4.80 | 50.20 ± 7.90 | 0.64 | WHO | ELISA | 6 |
RadzisBaw [32] | 2018 | Poland | CC | 63 | 12.00 ± 3.87 | 9.43 ± 1.67 | 438.36 ± 373.28 | 55 | 11.09 ± 3.43 | 8.18 ± 1.18 | 528.40 ± 374.55 | > 0.05 | WHO | ELISA | 7 |