|
| Study | Risk factors | Risk calculation | AUROCa
(study population) | AUROCa
(original) | P20 |
|
| Caliskan et al. [7] | (i) Age (years)
(ii) Body mass index (BMI)
(iii) Family history of diabetes mellitus (DM)
(iv) Previous baby > 4000 g
(v) Previous adverse pregnancy outcome | (i) <25 = 0; >25 = 1
(ii) <25 = 0; >25 = 1
(iii) No = 0; yes = 1
(iv) No = 0; yes = 1
(v) No = 0; yes = 1 | 0.5936 (0.5370–0.6504) | 0.832 (0.793–0.867) | 0.0005 |
|
| Naylor et al. [8] | (i) Age (years)
(ii) Body mass index (BMI)
(iii) Race | (i) <30 = 0; 31–34 = 1; >35 = 2
(ii) <22 = 0; 22.1–25 = 2; >25.1 = 3
(iii) White/Black = 0; East Asian = 5; South Asian = 2 | 0.5897 (0.53214–0.64730) | 0.733 (0.711–0.755) | 0.0007 |
|
| Van Leeuwen et al. [9] | (i) Body mass index (BMI)
(ii) Race
(iii) Family history of diabetes mellitus (FamHx)
(iv) Gestational diabetes in previous pregnancy (GDMHx) | =1/[1 + exp(−β)]
β = [−6.1 + (0.83 × non-Caucasian) + (0.57 × FamHx) − (0.67 × multipara no GDMhx) + (0.5 × multipara GDMhx) + (0.13 × BMI)]
(Non-Caucasian: no = 0; yes = 1
Famhx: no = 0; yes = 1
Nullipara = 0; multiparaNoGDMhx = 1; multiparaGDMhx = 2) | 0.5675 (0.51–0.63) | 0.770 (0.690–0.850) | 0.0015 |
|
| Phaloprakarn et al. [10] | (i) Age (years)
(ii) Body mass index (BMI)
(iii) Family history of diabetes mellitus (FH)
(iv) Previous baby > 4000 g
(v) Previous adverse pregnancy outcome | 6 age + 11 BMI + 109FH + 42 baby > 4000 g + 49 adverse pregnancy outcome
≥380 is positive screen | 0.5182 (0.48664–0.54972) | 0.769 (0.746–0.792) | <0.001 |
|
| Teede et al. [11] | (i) Age (years)
(ii) Body mass index (BMI)
(iii) Race
(iv) Family history of diabetes mellitus
(v) Gestational diabetes in previous pregnancy | (i) <25 = 0; 25–34 = 1; >35 = 2
(ii) <20 = 0; 20–34.9 = 1; >35 = 2
(iii) White = 0; East Asian/South Asian/African = 1
(iv) No = 0; yes = 1
(v) No = 0; yes = 2 | 0.5863 (0.52934–0.64334) | 0.703 (0.679–0.727) | 0.0003 |
|
| Harrison et al. [12] | (i) Age (years)
(ii) Body mass index (BMI)
(iii) Race
(iv) Family history of diabetes mellitus
(v) Gestational diabetes in previous pregnancies
(vi) Fasting plasma glucose (FPG) | (i) <25 = 0; 25–34 = 1; >35 = 2
(ii) <20 = 0; 20–34.9 = 1; >35 = 2
(iii) White = 0; East Asian/South Asian/African = 1
(iv) No = 0; yes = 1
(v) No = 0; yes = 2
(vi) If score ≥ 3 assesses FPG | | | |
| Model 1 | | FPG 4.61–4.89 mmol/l | 0.4751 (0.451–0.4995) | 0.753 (0.675–0.832) | <0.001 |
| Model 2 | | FPG ≥ 4.9 mmol/l | 0.8662 (0.8336–0.89869) | 0.83 (0.77–0.90) | 0.1846 |
|
| Syngekali et al. [13] | (i) Gestational diabetes in previous pregnancy
(ii) Family history of DM
(iii) Age (years)
(iv) Weight (kg)
(v) Height (cm)
(vi) Race
(vii) Method of conception
(viii) Birth weight of previous pregnancy | No formula available in article | Could not be calculated as inadequate information on last pregnancy birth weight available | 0.823 (0.820–0.826) | |
|
| Nanda et al. [14] | (i) Age (years)
(ii) Body mass index (BMI)
(iii) Race
(iv) Gestational diabetes in previous pregnancy
(v) Previous baby’s birth weight > 90th centile (prevBW) | =1/[1 + exp(−β)]
β = {−8.68947 + (0.05365 × age) + (0.10852 × BMI) + (1.00312 × South Asian) + (0.88785 × East Asian) + (3.72259 × previous GDM) + (0.67673 × prevBW > 90th centile)} | 0.6218 (0.56301–0.68058) | 0.788 (0.759–0.817) | <0.001 |
|
| Capula et al. [15] | (i) Age (years)
(ii) Pregravid body mass index (BMI)
(iii) Previous gestational diabetes (GDM), polycystic ovarian syndrome (PCOS)
(iv) Fasting plasma glucose (FPG) 5.6–6.9 mmol/l before pregnancy | = Constant − 2.2532 × (age/10) + 0.4128 × (age/10)2 + 0.0795 × pregravid BMI
Constant is intercept depending on previous GDM, PCOS, FPG 5.6–6.9 mmol/l before pregnancy | 0.5337 (0.48 0.59) | (Information not available) | |
|
