Predictors of Postpartum Glucose Tolerance Testing in Italian Women with Gestational Diabetes Mellitus

Table 1

General characteristics of the GDM population.

	Followup (𝑛=374)	No followup (𝑛=785)	𝑃 value
Race	Caucasian	Caucasian	—
Age (yr), median	36	33	<0.001
Range	18–48	18–46	—
BMI (kg/m^2), median	25.3	24.5	0.175
Range	19–44.8	17.6–45	—
Familiarity for type 2 DM (𝑛)	270	535	0.150
Previous GDM	72	45	<0.001
Parity (𝑛), median	2	2	0.177
Range	1–5	1–6	—
>1	207	438	0.900
Educational status
Low	71	384	<0.001
Middle	256	356	<0.001
High	47	45	<0.001
FPG (mg/dL), median	94	92	0.020
Range	70–121	72–126	—
Insulin treatment	147	253	0.021
PCOS	72	37	<0.001

Mann-Whitney 𝑈 test was used for comparison of continuous traits. 2-tailed Fisher exact test was used for comparison of proportions. SD: standard deviation; BMI: body mass index; low educational status: primary school; middle educational status: secondary school; high educational status: university degree; FPG: fasting plasma glucose; PCOS: polycystic ovary syndrome.