Table 1 Demographic characteristics of Very Low Birth Weight premature infants in IVH and Non IVH groups

Gestational age

11.087

0.004

  ≤ 28 weeks

30 (34.9%)

62 (18.5%)

 28^+ 1–30 weeks

33 (38.4%)

173 (51.6%)

 30^+ 1–32 weeks

23 (26.7%)

100 (29.9%)

Sex

0.026

0.904

 Male

41 (47.7%)

163 (48.7%)

 Female

45 (52.3%)

172 (51.3%)

Birth weight

4.779

0.029

  ≤ 1000 g

22 (25.6%)

52 (15.5%)

  > 1000 g

64 (74.4%)

283 (84.5%)

Delivery site

0.938

0.333

 In-born

79 (91.9%)

317 (94.6%)

 Out-born

7 (8.1%)

18 (5.4%)

Mode of delivery

16.868

< 0.001

 Vaginal delivery

59 (68.6%)

150 (44.8%)

 Cesarean section

23 (26.7%)

172 (51.3%)

 Vaginal breech delivery

4 (4.7)

13 (3.9%)

Gestational hypertension

4.373

0.037

 Yes

4 (4.7%)

42 (12.5%)

 No

82 (95.3%)

293 (87.5%)

Thyroid dysfunction

0.018

0.893

 Yes

2 (2.3%)

7 (2.1%)

 No

84 (97.7%)

328 (97.9%)

Gestational diabetes mellitus

0.052

0.819

 Yes

16 (18.6%)

66 (19.7%)

 No

70 (81.4%)

269 (80.3%)

Premature rupture of membranes

2.196

0.138

 Yes

38 (44.2%)

119 (35.5%)

 No

48 (55.8%)

216 (64.5%)

Chorioamnionitis

1.532

0.216

 Yes

14 (16.3%)

75 (22.4%)

 No

72 (83.7%)

260 (77.6%)

Primary hypotension

0.506

0.477

 Yes

9 (10.5%)

27 (8.1%)

 No

77 (89.5%)

308 (91.9%)

Antenatal use of glucocorticoids

0.051

0.822

 Yes

33 (38.4%)

133 (39.7%)

 No

53 (61.6%)

202 (60.3%)

Apgar score of 5 minutes after birth≤7

11.170

0.001

 Yes

23 (26.7%)

41 (12.2%)

 No

63 (73.3%)

294 (87.8%)

Respiratory distress syndrome

1.498

0.221

 Yes

74 (86.0%)

269 (80.3%)

 No

12 (14.0%)

66 (19.7%)

Early onset sepsis

6.260

0.012

 Yes

20 (23.3%)

42 (12.5%)

 No

66 (76.7%)

293 (87.5%)

Hemorrhagic disease

0.078

0.780

 Yes

8 (9.3%)

28 (8.4%)

 No

78 (90.7%)

307 (91.6%)

PDA

1.600

0.206

 Yes

33 (38.4%)

154 (46.0%)

 No

53 (61.6%)

181 (54.0%)

Mechanical ventilation

6.655

0.036

 IMV

7 (8.1%)

9 (2.7%)

 NIMV

71 (82.6%)

278 (83.0%)

 Non MV

8 (9.3%)

48 (14.3%)