Table 3 Calibration and discrimination of development studies
From: Prediction models for the risk of gestational diabetes: a systematic review
| Study | Risk predictors | AUC | Calibration | Sensitivity | Specificity | |||
|---|---|---|---|---|---|---|---|---|
| Predictors and no. of predictors | Original study | External validation 1 | External validation 2 | |||||
| 1. Caliskan 2004 | Poor outcome, age, BMI, fam hx of DM, hx of macrosomia | 5 | NR |
0.68 [0.65–0.71] |
85.7 [67.4–100] |
67 [59.4–74.8] | ||
| 2. Eleftheriades 2014 | Weight, age | 2 |
0.73 [0.65–0.81] |
32.4 NR |
90 NR | |||
| 3. Gabbay-Benziv 2014 | Age, ethnicity, hx of GDM, hx of macrosomia | 5 |
0.81 [0.77–0.87] | p = 0.18 |
85 [74.6–93.2] |
62 [57.4–64.0] | ||
| 4. Nanda 2011 | Age, BMI, ethnicity, hx of GDM, hx of macrosomia | 5 |
0.79 [0.76–0.82] |
52.9 NR |
90 NR | |||
| 5. Naylor 1997 | Age, BMI, ethnicity | 3 |
0.69 NR |
0.67 [0.64–0.70] |
0.64 [0.56–0.72] | p = 0.93 |
65.9 NR |
84 NR |
| 6. Pintaudi 2014 | BMI, glucose, hx of macrosomia, fam hx of DM | 4 | NR |
89 NR |
40 NR | |||
| 7. Popova 2014 | BMI, glucose, AC, PCOS | 4 | NR | NR | NR | |||
| 8. Savona-Ventura 2013 | Age, glucose, blood pressure | 3 |
0.89 [0.86–0.91] |
96.6 NR |
37.5 NR | |||
| 9. Savvidou 2010 | Age, BMI, ethnicity, hx of GDM, mode of conception, parity, smoking | 7 |
0.82 NR | NR | NR | |||
| 10. Shirazian 2009 | Age, BMI, fam hx of DM | 3 | NR | NR | NR | |||
| 11. Syngelaki 2011 | Age, BMI, ethnicity, mode of conception, smoking, hx of chronic hypertension, parity, hx of macrosomia | 8 | NR | NR | NR | |||
| 12. Teede 2011 | Age, BMI, ethnicity, fam hx of DM, hx of GDM | 5 |
0.70 NR |
0.74 [0.70–0.78] |
0.60 [0.56–0.64] |
68.0 [61.3–73.9] |
70.8 [68.8–72.6] | |
|
13. Tran 2013 ADA criteria | Age, BMI | 2 |
0.71 [0.68–0.75] |
79.9 NR |
48.5 NR | |||
|
13. Tran 2013 IADPSG criteria | Age, BMI, fam hx of DM | 3 |
0.65 [0.62–0.67] |
70.4 NR |
52.5 NR | |||
|
13. Tran 2013 WHO criteria | Age, BMI | 2 |
0.63 [0.60–0.65] |
65.1 NR |
53.7 NR | |||
|
13. Tran 2013 ADIPS criteria | Age, BMI | 2 |
0.64 [0.62–0.67] |
64.1 NR |
56.8 NR | |||
| 14. Van Leeuwen 2010 | BMI, ethnicity, fam hx of DM, hx of GDM | 5 |
0.77 [0.69–0.85] |
0.76 [0.73–0.79] | p = 0.25 |
45.8 [28.2–64.5] |
88.4 [87.9–88.8] | |