Table 2 Pregnancy outcomes associated with the 4 glucose level groups

 Macrosomia (>4000 g)

120/11,486

75 (0.8)

22 (1.2)

7 (2.8)

16 (3.5)

39.0

<0.001

 Preterm labor (<37 weeks)

789/11,486

581 (6.5)

127 (7.2)

25 (10.0)

56 (12.3)

27.0

<0.001

 Low birth weight (<2500 g)

673/11,486

507 (5.6)

105 (5.9)

20 (8.0)

41 (9.0)

10.9

0.01

 Admission to NICU^a

789/11,471

584 (6.5)

121 (6.8)

26 (10.4)

58 (12.7)

31.1

<0.001

 Apgar score <7 at 1 min

127/11,486

99 (1.1)

17 (1.0)

4 (1.6)

7 (1.5)

1.7

0.64

 Apgar score <7 at 5 min

37/11,486

28 (0.3)

8 (0.5)

-

1 (0.2)

-

-

 Cesarean section

3632/11,486

2721 (30.2)

617 (34.7)

101 (40.2)

193 (42.2)

46.3

<0.001

 Gestational hypertension or preeclampsia

383/11,486

255 (2.8)

82 (4.6)

14 (5.6)

32 (7.0)

38.6

<0.001

 Shoulder dystocia^b

79/7854

64 (1.0)

7 (0.6)

3 (2.0)

5 (1.9)

5.5

0.14

 Third- or fourth-degree perineal laceration^b

429/7854

337 (5.4)

69 (6.0)

9 (6.0)

14 (5.3)

0.7

0.86

 Postpartum hemorrhage

98/11,486

76 (0.8)

16 (0.9)

3 (1.2)

3 (0.7)

0.6

0.89