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Table 4 Correlation between vitamin D status and gestational outcomes

From: Association of serum vitamin D status with gestational diabetes mellitus and other laboratory parameters in early pregnant women

Clinical outcomes

n

Vitamin D deficient

(< 50 nmol/L) (n = 434)

Vitamin D insufficient

(50–74 nmol/L) (n = 882)

Vitamin D sufficient

(≥ 75 nmol/L) (n = 200)

r

P value

Fasting glucose

1516

   

0.028

0.279

  < 5.1

1478

427 (98.4)

856 (97.1)

195 (97.5)

  

  ≥ 5.1

38

7 (1.6)

26 (2.9)

5 (2.5)

  

Glucose of 1 h GTT

1516

   

-0.037

0.155

  < 10

1358

382 (88.0)

793 (89.9)

183 (91.5)

  

  ≥ 10

158

52 (12.0)

89 (10.1)

17 (8.5)

  

Glucose of 2 h GTT

1516

   

-0.037

0.145

  < 8.5

1342

376 (86.6)

786 (89.1)

180 (90.0)

  

  ≥ 8.5

174

58 (13.4)

96 (10.9)

20 (10.0)

  

GDM

1516

   

-0.016

0.534

 No

1252

357 (82.3)

725 (82.2)

170 (85.0)

  

 Yes

264

77 (17.7)

157 (17.8)

30 (15.0)

  

GH

1516

   

0.030

0.236

 No

1492

429 (98.8)

868 (98.4)

195 (97.5)

  

 Yes

24

5 (1.2)

14 (1.6)

5 (2.5)

  

PROM

1516

   

-0.047

0.068

 No

1240

345 (79.5)

724 (82.1)

171 (85.5)

  

 Yes

276

89 (20.5)

158 (17.9)

29 (14.5)

  

Fetal distress

1516

   

-0.031

0.235

 No

1400

393 (90.6)

823 (93.3)

184 (92.0)

  

 Yes

116

41 (9.4)

59 (6.7)

16 (8.0)

  

Preterm

1516

   

-0.033

0.202

 No

1432

405 (93.3)

836 (94.8)

191 (95.5)

  

 Yes

84

29 (6.7)

46 (5.2)

9 (4.5)

  

PPH

1516

   

0.028

0.268

 No

1439

416 (95.9)

835 (94.7)

188 (94.0)

  

 Yes

77

18 (4.1)

47 (5.3)

12 (6.0)

  

LBW

1516

   

-0.025

0.325

 No

1440

409 (94.2)

839 (95.1)

192 (96.0)

  

 Yes

76

25 (5.8)

43 (4.9)

8 (4.0)

  

Delivery mode

    

0.045

0.087

 Vaginal

840

231 (54.0)

489 (57.2)

120 (61.2)

  

 Cesarean

639

197 (46.0)

366 (42.8)

76 (38.8)

  
  1. GDM gestational diabetes mellitus, GH gestational hypertension, PROM premature rupture of membrane, PPH postpartum hemorrhage, LBW low body weight