Analysis of Pregnancy Outcomes Using the New IADPSG Recommendation Compared with the Carpenter and Coustan Criteria in an Area with a Low Prevalence of Gestational Diabetes

Table 3

Differences in pregnancy outcomes between the new GDM group, the old GDM group, and NGT group.

	New GDM; Group 1	P; 1 versus 2	Old GDM; Group 2	P; 2 versus 3	NGT; Group 3	P; 1 versus 3
Gestational hypertension	1.9%	0.217	4.3%	0.483	3.4%	0.474
Preeclampsia	0.6%	0.825	0.5%	0.812	0.6%	0.969
Preterm delivery	29.2%	0.099	21.6%	0.240	25.9%	0.241
Caesarean section	30.5%	0.706	32.4%	0.002	23.3%	0.001
Macrosomia	8.5%	0.607	10.1%	0.600	9.1%	0.848
LGA	10.8%	0.473	13.8%	0.036	9.0%	0.099
Shoulder dystocia	3.9%	0.736	3.2%	0.029	1.4%	0.007
Apgar score <7 at 5 min	2.6%	0.662	1.9%	0.704	1.7%	0.625
Admission NICU	12.0%	0.448	14.6%	0.101	10.9%	0.261

GDM: gestational diabetes; new GDM group: prior classified normal by old criteria and now GDM according to the new IADPSG criteria; old GDM group: classified GDM according to Carpenter and Coustan criteria (old criteria); NGT: normal glucose tolerance; LGA: large for gestational age; NICU: neonatal intensive care unit.