Table 3 Adjusted mean difference in body composition at 1 and 3 months of age comparing infants exposed (N = 56) and unexposed (N = 59) to ZIKV in pregnancy.

From: Zika virus infection in pregnancy and infant growth, body composition in the first three months of life: a cohort study

  

1 Month of Age

3 Months of Age

ZIKV-exposed Infants (N = 56)

ZIKV-unexposed Infants* (N = 59)

p-value

ZIKV-exposed Infants (N = 56)

ZIKV-unexposed Infants* (N = 59)

p-value

Anthropometry

Abdominal circumference, cm

38.2 (3.0)

39.4 (3.0)

0,12

25.4 (5.7)

26.4 (5.8)

0,38

Triceps Skinfold, mm

7.1 (2.3)

7.6 (2.3)

0,45

8.5 (1.8)

7.9 (1.8)

0,33

Mid-arm Circumference, cm

12.4 (1.3)

13.7 (1.3)

<0,01

13.8 (1.0)

14.7 (1.0)

0,01

Body Composition

Body fat, %

20.5 (6.2)

22.6 (6.2)

0,19

25.1 (6.0)

26.9 (5.8)

0,61

Body water, %

58.3 (3.9)

57.0 (3.9)

0,16

52.6 (3.5)

51.1 (3.6)

0,22

Fat Mass, g

1045 (428)

1212 (427)

0,14

1559 (475)

1792 (483)

0,16

Fat-free Mass, g

3792 (614)

4020 (613)

0,16

4480 (413)

4953 (419)

<0,01

Arm Muscle Circumference, cm

10.1 (1.3)

11.3 (1.3)

<0,01

11.1 (0.8)

12.2 (0.8)

<0,01

  1. aMean difference (95% confidence interval) comparing ZIKV-exposed infants relative to unexposed infants as estimated from a linear regression with adjustment for maternal age, maternal pre-pregnancy BMI, and gestational age at birth.
  2. *Presumptively unexposed infant.