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Table 3 Weight and length parameters of male and female infants according to age for the current sample with reference to a previous cohort of South African VLBW infants

From: Growth of a cohort of very low birth weight infants in Johannesburg, South Africa

 

Age (months)1

n(1)2

Mean ± SD(1)2

n(2)3

Mean ± SD(2)3

P 4

Male Weight (kg):

0-2

39

3.23 ± 0.58

42

3.20 ± 0.54

0.83

 

6-8

38

7.54 ± 1.09

30

7.17 ± 1.38

0.22

 

11-13

23

8.69 ± 1.56

29

8.69 ± 0.98

0.99

Length (cm):

0-2

39

49.76 ± 2.57

42

47.57 ± 2.18

<0.01

 

6-8

38

65.56 ± 2.90

30

64.49 ± 3.29

0.16

 

11-13

23

72.0 ± 4.02

29

71.93 ± 1.96

0.94

Female Weight (kg):

0-2

39

3.23 ± 0.79

81

3.36 ± 0.61

0.76

 

6-8

36

7.19 ± 0.96

52

7.10 ± 0.98

0.66

 

11-13

26

8.28 ± 1.26

50

8.35 ± 1.02

0.8

Length (cm):

0-2

38

49.91 ± 2.88

81

47.99 ± 2.27

<0.01

 

6-8

35

64.86 ± 2.48

52

64.13 ± 2.43

0.18

 

11-13

26

70.24 ± 3.26

50

70.92 ± 3.03

0.38

  1. 1 Postmenstrual age; 2Sample 1: Data from Cooper and Sandler13; 3Sample 2: Data from the current study; 4p value calculated using the unpaired t test