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TABLE 1

Demographic and Obstetrical Characteristics of Study Population

Group 1–Normal OGTT (n = 1,193)Group 2–Abnormal OGTT (n = 794)Group 3–Flat OGTT (n = 98)P
Maternal age, years 31.4 ± 5.4 32.3 ± 5.6 29.1 ± 5.3 <0.001 
Maternal age <20 years 10 (0.8) 8 (1) 3 (3.1) 0.1 
Maternal age >35 years 344 (28.5) 281 (34.9) 19 (19.2) <0.001 
Maternal age >40 years 96 (8) 91 (11.5) 2 (2) 0.02 
BMI, kg/m2 31 ± 5.7 31.7 ± 6 29.4 ± 5.9 0.02 
Nulliparity 384 (32.2) 285 (35.9) 27 (27.6) 0.1 
Bariatric surgery 5 (0.4) 0 (0) 0 (0) 0.1 
Previous cesarean delivery 175 (14.5) 131 (16.3) 14 (14.1) 0.5 
Chronic hypertension 14 (1.2) 16 (2) 2 (2) 0.3 
First trimester fasting glucose, mg/dL 84.4 ± 7.9 92.3 ± 21.1 82.1 ± 10.3 <0.001 
First trimester PAPP-A, MoM 1.14 ± 0.6 1.04 ± 0.6 1.25 ± 0.6 0.006 
Group 1–Normal OGTT (n = 1,193)Group 2–Abnormal OGTT (n = 794)Group 3–Flat OGTT (n = 98)P
Maternal age, years 31.4 ± 5.4 32.3 ± 5.6 29.1 ± 5.3 <0.001 
Maternal age <20 years 10 (0.8) 8 (1) 3 (3.1) 0.1 
Maternal age >35 years 344 (28.5) 281 (34.9) 19 (19.2) <0.001 
Maternal age >40 years 96 (8) 91 (11.5) 2 (2) 0.02 
BMI, kg/m2 31 ± 5.7 31.7 ± 6 29.4 ± 5.9 0.02 
Nulliparity 384 (32.2) 285 (35.9) 27 (27.6) 0.1 
Bariatric surgery 5 (0.4) 0 (0) 0 (0) 0.1 
Previous cesarean delivery 175 (14.5) 131 (16.3) 14 (14.1) 0.5 
Chronic hypertension 14 (1.2) 16 (2) 2 (2) 0.3 
First trimester fasting glucose, mg/dL 84.4 ± 7.9 92.3 ± 21.1 82.1 ± 10.3 <0.001 
First trimester PAPP-A, MoM 1.14 ± 0.6 1.04 ± 0.6 1.25 ± 0.6 0.006 

Categorical values are presented as n (%) and continuous variables are presented as mean ± SD. Significant results (P <0.05) are presented in bold. MoM, multiple of the median.

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