Glucose Intolerance after a Recent History of Gestational Diabetes

Table 2

Comparison of the characteristics between women with a normal OGTT and women with glucose intolerance/diabetes postpartum.

	Normal; (55.6%)	Glucose intolerance/diabetes; (44.4%)	value
Age mean years			0.141
BMI kg/m² at first prenatal visit (median)	24.1 (21.5–28.9)	27.8 (22.9–30.7)	0.019
% overweight at first prenatal visit	25.3	39.7	0.009
% obese at first prenatal visit	19.5	27.4	0.037
% excessive weight gain	31.3	23.0	0.241
% BME	24.5	45.3	0.004
% smoking before pregnancy	3.2	1.3	0.713
% first degree family member with T2DM	16.0	14.7	0.095
% history of GDM	5.3	17.3	0.016
% history of PCOS	2.1	2.7	0.905
% history of hypertension	3.2	5.3	0.569
% history of dyslipidaemia	3.2	1.3	0.261
% multipareous	26.6	44.0	0.028
% breastfeeding	77.7	73.0	0.536
% progestin-only oral contraceptive	62.5	67.8	0.527
Result GCT mg/dL (median)	159.0 (149.5–175.5)	168.0 (153.0–190.0)	0.007
Week at diagnosis of GDM (median)	27.0 (25.0–29.0)	26.0 (25.0–28.0)	0.030
% ≥4 values abnormal on 100 g OGTT	9.1	19.1	0.069
Median fasting 100 g OGTT mg/dL	88.0 (81.0–99.0)	94.5 (84.2–101.7)	0.006
Median 1 h 100 g OGTT mg/dL	188.0 (167.0–199.0)	191.5 (170.2–205.5)	0.312
Median 2 h 100 g OGTT mg/dL	168.0 (158.0–181.0)	175.0 (162.0–198.0)	0.003
Median 3 h 100 g OGTT mg/dL	144.0 (122.0–159.0)	151.5 (128.5–166.0)	0.058
HbA1c % (median)	5.3 (5.1–5.5)	5.4 (5.2–5.7)	0.443
% corticoid treatment	5.3	9.3	0.590
% insulin	24.5	33.8	0.203
Weeks start insulin (median)	30.0 (28.0–32.0)	29.0 (26.0–32.0)	0.367
% bolus-basal injections	17.4	52.0	0.032

BME: ethnic minority backgrounds; T2DM: type 2 diabetes; GDM: gestational diabetes; GCT: glucose challenge test: OGTT: oral glucose tolerance test; PCOS: polycystic ovary syndrome.