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Table 1 Clinical characteristics of the newborns included in the study

From: Respective effects of phlebotomy losses and erythropoietin treatment on the need for blood transfusion in very premature infants

 

Treated group (n= 21)

Non treated group (n= 27)

Total (n=48)

p

Gender*

    

 boy

14 (67 %)

8 (30 %)

22 (46 %)

0.01

 Gestationnal age (week) **

28.1 [26.1-31.8]

29.3 [25.6-31.8]

28.6 [25.6-31.8]

0.1

 Birth weight (g)

1100 [802- 1428]

1110 [666- 1496]

1105 [666- 1496]

0.7

 Birth length (cm)

36.5 [30.0- 40.8]

37 [31- 43]

37 [30- 43]

0.3

 Birth head circumference (cm)

26.5 [22.0- 29.5]

26 [22.5- 28.5]

26 [22- 29.5]

0.4

 Birth weight < 1000 g

7 (33 %)

8 (30 %)

15 (31 %)

0.8

 Intrauterine growth retardation

3 (14 %)

11 (40 %)

14 (29 %)

0.04

Apgar score

    

 1 mn

7 [2- 10]

6 [3- 10]

6.5 [2- 10]

0.3

 5 mn

9 [5- 10]

9 [7- 10]

9 [5- 10]

0.3

 10 mn

10 [8- 10]

10 [8- 10]

10 [8- 10]

0.9

 Duration of hospitalization (d)

67 [40 - 102]

63.5 [37-96]

65 [37 - 102]

0.3

 Respiratory autonomy (d)

40 [4 - 94]

37 [0 - 88]

37.5 [0 -94]

0.2

 Severe cerebral lesions

4 (19 %)

0 (0%)

4 (8 %)

0.02

 Post natal steroid therapy

3 (14 %)

3 (11 %)

6 (12 %)

0.7

 Retinopathy

2 (9 %)

3 (11 %)

5 (10 %)

0.8

 Nosocomial infection

10 (48 %)

6 (22 %)

16 (33 %)

0.06

 Necrotizing enterocolitis

3 (14 %)

2 (7 %)

5 (10.4)

0.4

  1. * n (%); **median [Min-Max].