Table 1.

The most frequent factors included in risk prediction models for gestational diabetes mellitus.

Study first author, year	Factors included in models
	MAa (n=19)	FHDb (n=14)	BMI (n=12)		FPGc (n=11)	PBMId (n=8)	HDe (n=8)	Ethnicity (n=6)	TGf (n=5)	HbA1cg (n=4)	SBPh (n=3)	Height (n=3)	hsCRPi (n=3)
Gao, 2020 [21]	✓j	✓	✓								✓	✓
Liu, 2020 [17]	✓			✓		✓
Miao, 2020 [28]		✓		✓					✓
Tan, 2020 [41]	✓	✓		✓		✓
Wu, 2020 [18]	✓	✓		✓			✓
Xiong, 2020 [19]
Ye, 2020 [20]	✓		✓	✓		✓	✓		✓	✓
Zhang, 2020 [39]	✓	✓		✓		✓	✓			✓	✓		✓
Snyder, 2020 [40]	✓					✓		✓
Cui, 2019 [25]	✓	✓				✓
Zheng, 2019 [24]	✓		✓	✓					✓
Nombo, 2018 [26]		✓	✓
Sweeting, 2018 [27]		✓	✓				✓	✓	✓
Xiao, 2018 [38]	✓		✓	✓					✓	✓		✓
Huang, 2017 [23]	✓	✓		✓		✓
Wu, 2017 [22]	✓		✓	✓								✓	✓
Gabbay-Benziv, 2015 [30]	✓		✓				✓	✓			✓
Thériault, 2015 [29]	✓	✓	✓				✓	✓		✓			✓
Eleftheriades, 2014 [31]	✓
Pintaudi, 2013 [32]		✓		✓		✓
Savona-Ventura, 2013 [33]	✓			✓
Tran, 2013 [34]	✓		✓
Teede, 2011 [35]	✓	✓					✓	✓
Vanleeuwen, 2009 [36]		✓	✓				✓	✓
Caliskan, 2004 [37]	✓	✓	✓

^aMA: maternal age.

^bFHD: family history of diabetes.

^cFPG: fasting plasma glucose.

^dPBMI: prepregnancy BMI.

^eHD: history of diabetes.

^fTG: triglyceride.

^gHbA_1c: hemoglobin A_1c.

^hSBP: systolic blood pressure.

ⁱhsCRP: high-sensitivity C-reaction protein.

^jA checkmark (✓) indicates that the factor was included.