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Table 2 Characteristics of risk factors and tests for detecting GDM defined as Model Ia(A), modified IADPSG criteri and Model IIb(B), HAPO data 2.0 OR criteria. 95% CI in parenthesis

From: Characteristics of different risk factors and fasting plasma glucose for identifying GDM when using IADPSG criteria: a cross-sectional study

Test pvFPGc (mmol/l) cFBGd (mmol/l) Occurrence n = 3616 (%) Sensitivity (%) Specificity (%) PPVe (%) NPVf (%) AUCg (%)
A.
≥ 4.4 (4.0) 49 96 (94–98) 57 (55–59) 23 (21–25) 99 (98–99) 77 (75–78)
≥ 4.6 (4.1) 41 95 (93–97) 67 (65–68) 28 (25–30) 99 (99–99) 81 (79–83)
≥ 4.8 (4.3) 24 91 (88–94) 85 (83–86) 44 (41–48) 99 (98–99) 88 (86–90)
≥ 5.0 (4.5) 14 89 (86–92) 96 (95–96) 73 (69–77) 99 (98–99) 92 (91–94)
Traditional risk factorsh 16 28 (24–32) 86 (84–87) 20 (17–24) 90 (89–91) 43 (40–46)
Traditional risk factorsh or RBGi ≥8.0 (mmol/l) 19 36 (32–41) 84 (82–85) 23 (20–26) 91 (90–92) 40 (37–43)
B.
≥ 4.4 (4.0) 49 96 (93–98) 54 (53–56) 14 (12–16) 99 (99–100) 75 (73–78)
≥ 4.6 (4.1) 41 96 (93–98) 64 (62–65) 17 (15–19) 100 (99–100) 80 (78–82)
≥ 4.8 (4.3) 24 93 (89–95) 81 (80–82) 28 (25–31) 99 (99–100) 87 (85–89)
≥ 5.0 (4.5) 14 91 (87–94) 92 (91–93) 46 (42–50) 99 (99–100) 91 (89–94)
≥ 5.2 (4.7) 8 89 (84–92) 98 (98–99) 78 (73–83) 99 (99–99) 94 (91–96)
Traditional risk factorsh 16 31 (25–37) 85 (84–86) 14 (11–17) 94 (93–95) 42 (38–46)
Traditional risk factorsh or RBGi ≥ 8.0 (mmol/l) 19 41 (35–47) 83 (82–84) 16 (13–19) 95 (94–96) 38 (34–42)
  1. aModel I: Modified IADPSG criteria, 1.75 OR, equivalent cFBG ≥4.6 mmol/l or 2 h OGTT ≥8.5 mmol/l
  2. bModel II: HAPO data 2.0 OR, equivalent cFBG ≥4.8 mmol/l or 2 h OGTT ≥9.0 mmol/l
  3. cpvFPG Predicted venous fasting plasma glucose, equivalent cFBG value with conversion factor 1.11
  4. dcFBG capillary fasting blood glucose
  5. ePPV positive predictive value
  6. fNPV negative predictive value
  7. gAUC area under the curve
  8. hTraditional risk factors = heredity (first-degree relative), obesity [≥ 90 kg, pre-pregnancy weight], previous LGA infant [≥ 4500 g or ≥ mean + 2SD], previous GDM
  9. iRBG = random blood glucose