Research Article

Glucose Intolerance after a Recent History of Gestational Diabetes

Table 4

Comparison of characteristics between women with an impaired fasting glucose (IFG) and women with an impaired glucose tolerance (IGT) postpartum.

IFG
(21.2%)
IGT
(66.7%)
value

Age mean years31.4 ± 4.433.1 ± 4.60.244
BMI Kg/m² at first prenatal visit (median)29.8 (26.5–34.7)25.4 (22.4–28.9)0.012
% overweight at first prenatal visit35.7 45.2 0.073
% obese at first prenatal visit50 14.3 0.006
% excessive weight gain42.9 20.9 0.106
% BME50.0 40.9 0.550
% first degree family member with T2DM21.4 13.6 0.769
% history of GDM35.7 9.1 0.047
% multiparous50.0 36.4 0.592
% breastfeeding71.475.0 0.225
% progestin-only oral contraceptive66.7 71.4 0.756
Result GCT mg/dL (median)164.0 (155.0–166.0)170.0 (152.5–193)0.206
Week at diagnosis of GDM (median)25.0 (20.5–27)27.0 (25.0–28.7)0.029
% fasting abnormal 100 g OGTT83.3 34.9 0.003
% ≥4 values abnormal 100 g OGTT41.7 14.0 0.034
Median fasting 100 g OGTT mg/dL99.5 (96.2–121.0)89.0 (84.0–101.0)0.022
Median 1 h 100 g OGTT mg/dL202.5 (183–226.2)189.0 (170.0–202.0)0.047
Median 2 h 100 g OGTT mg/dL187.5 (157.2–228.5)175.0 (162.0–196.0)0.554
Median 3 h 100 g OGTT mg/dL147.5 (110.5–181.5)152.0 (139.0–163.0)0.927
% corticoid treatment09.1 (4)0.242
% insulin42.9 29.5 0.355
Weeks start insulin (median)24.0 (20.7–28.2)30.0 (27.5–32.0)0.017
% bolus-basal injections66.738.50.412

8 Women (12.1%) with the combination of IFG and IGT were excluded from these analyses. BME: ethnic minority backgrounds; T2DM: type 2 diabetes; GDM: gestational diabetes; GCT: glucose challenge test; OGTT: oral glucose tolerance test.