Table 2 Anthropometric Z-scores, Z-scores changes and high-performing neurodevelopment at age 3 years.

From: Association between postnatal anthropometric growth by term and high-performing neurodevelopment at age 3 years in extremely preterm infants

 

Entire cohort

Normal and high-performing

 

OR

95%CI

OR

95%CI

Anthropometrics Z score

Birth

Body Weight

0.97

0.75–1.24

0.62

0.30–1.28

Body Length

0.88

0.66–1.18

0.68

0.44–1.06

Head Circumstance

0.98

0.77–1.24

0.93

0.49–1.79

PMW 32

Body Weight

1.49

0.95–2.34

1.53

0.81–2.88

Body Length

1.25

0.81–1.94

1.10

0.61–1.96

Head Circumstance

0.95

0.57–1.57

1.08

0.57–2.01

PMW 36

Body Weight

1.25

0.93–1.70

0.98

0.65–1.48

Body Length

1.49

1.08–2.06

1.00

0.66–1.52

Head Circumstance

1.22

0.91–1.63

0.87

0.87–1.83

PMW 40

Body Weight

1.25

0.99–1.58

1.00

0.75–1.33

Body Length

1.86**

1.49–2.32

1.38*

1.04–1.85

Head Circumstance

1.32*

1.04–1.67

1.04

0.78–1.38

Anthropometric Z-score changes

Body Weight

Birth–PMW 32

1.44

0.95–2.20

1.62

0.91–2.82

PMW 32–PMW 36

0.94

0.63–1.41

0.78

0.46–1.32

PMW 36–PMW 40

1.20

0.82–1.75

1.08

0.65–1.81

Body Length

Birth–PMW 32

1.30

0.90–1.88

1.49

0.91–2.44

PMW 32–PMW 36

1.30

0.94–1.78

1.00

0.66–1.51

PMW 36–PMW 40

1.98**

1.55–2.62

1.70**

1.18–2.45

Head Circumstance

Birth–PMW 32

0.98

0.65–1.50

1.22

0.71–2.11

PMW 32–PMW 36

1.21

0.87–1.70

1.11

0.74–1.67

PMW 36–PMW 40

1.17

0.91–1.57

0.88

0.60–1.29

  1. Multivariate models were adjusted for potential confounders, including gestational age, birth weight, sex, grade III–IV intraventricular hemorrhage, bronchopulmonary dysplasia, and small for gestational age.
  2. OR odds ratio, CI confidence interval, PMW postmenstrual week.
  3. *p < 0.05; **p < 0.01.
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