Table 2.

ORs of adverse pregnancy outcomes by different glycemic markers

	Quartile 1	Quartile 2	Quartile 3	Quartile 4	P for trend	As continuous variables
FPG
No of patients	502	494	494	486
No of cases	182	194	217	296
Model 1	1.00	1.13 (0.88–1.46)	1.37 (1.06–1.77)	2.70 (2.89–3.50)	<0.001	2.40 (1.96–3.95)
Model 2	1.00	1.19 (0.92–1.55)	1.40 (1.08–1.81)	2.57 (1.95–3.38)	<0.001	2.32 (1.85–2.92)
1hPG
No of patients	495	497	491	493
No of cases	191	218	231	249
Model 1	1.00	1.24 (0.96–1.60)	1.40 (1.09–1.80)	1.59 (1.23–2.05)	0.004	1.13 (1.07–1.20)
Model 2	1.00	1.23 (0.95–1.59)	1.28 (0.99–1.67)	1.12 (0.81–1.55)	0.235	1.07 (1.01–1.15)
2hPG
No of patients	499	494	490	493
No of cases	203	206	227	253
Model 1	1.00	1.04 (0.81–1.34)	1.24 (0.96–1.60)	1.50 (1.17–1.94)	0.006	1.11 (1.05–1.17)
Model 2	1.00	1.01 (0.78–1.30)	1.17 (0.91–1.52)	1.05 (0.76–1.45)	0.591	1.03 (0.96–1.10)
HbA1c
No of patients	609	517	443	407
No of cases	248	216	192	233
Model 1	1.00	1.04 (0.82–1.32)	1.10 (0.86–1.41)	1.91 (1.48–2.47)	<0.001	1.99 (1.53–2.59)
Model 2	1.00	1.03 (0.81–1.32)	1.07 (0.83–1.38)	1.72 (1.31–2.24)	<0.001	1.77 (1.34–2.33)
1,5-AG
No of patients	518	486	499	473
No of cases	284	213	205	187
Model 1	1.00	0.65 (0.51–0.84)	0.58 (0.45–0.74)	0.55 (0.42–0.70)	<0.001	0.95 (0.93–0.97)
Model 2	1.00	0.67 (0.52–0.86)	0.63 (0.49–0.81)	0.62 (0.47–0.81)	<0.001	0.96 (0.94–0.98)

Model 1 adjusted for age.

Model 2 adjusted for age, body mass index, family history of diabetes, gestational complications, gestational age at oral glucose tolerance test, infant’s sex, and parities.

FPG, fasting plasma glucose.