Table 2 Comparison of clinical data of the two groups.

From: The effect of leucocytosis on retinopathy of prematurity

 

Control group N = 85

Leukocytosis group N = 82

Statistical values

P value

Maternal age (y) b

27.8 ± 5.8

35.5 ± 6.3

8.223

 < 0.001

Conception by ART a

5 (5.9)

14 (17.1)

5.184

0.028

Chorioamnionitis a

7 (8.2)

18 (22.0)

6.168

0.017

Apgar score (1 min) b

7.3 ± 2.2

5.3 ± 2.1

6.012

 < 0.001

RDS a

65 (76.5)

72 (87.8)

3.638

0.070

BPD a

5 (5.9

15 (18.3)

6.098

0.017

NEC a

3 (3.5)

7 (8.5)

1.700

0.329

IVH (≥ stage III) a

4 (4.7)

15 (18.3)

7.641

0.007

Leukomalacia a

3 (3.5)

10 (12.2)

4.366

0.045

Sepsis a

16 (18.8)

33 (40.2)

8.411

0.006

Severe ROP a

10 (11.8)

28 (34.1)

11.900

0.001

CRP b

8.1 ± 9.2

15.1 ± 10.5

4.594

 < 0.001

PCT b

0.4 ± 0.2

3.2 ± 3.4

7.582

 < 0.001

  1. RDS is respiratory distress syndrome, BPD is bronchopulmonary dysplasia, IVH is intracranial hemorrhage, NEC is necrotizing enterocolitis, CRP is C-reactive protein, PCT is procalcitonin; a is represented by example (%), the statistical value is χ2 value, and b is represented by the statistical value is the t value.
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