Table 1 Demographic information for study cohort.

From: Mapping White Matter Microstructure in the One Month Human Brain

Sample Characteristics

Males

Females

Combined

P-Value

N

50

54

104

 

Mean Age at MRI (days, corrected to 40 week gestation)

32.4 (5.5)

33.0 (6.1)

32.7 (5.8)

0.59

Mean Gestational Age at birth (days)

−3.54 (9.7)

−2.78 (9.7)

−3.14 (9.6)

0.69

Mean Gestation Length (weeks)

39.5 (1.4)

39.6 (1.4)

39.6 (1.4)

0.69

Mean Birth weight (kg)

3.49 (0.56)

3.48 (0.50)

3.48 (0.52)

0.90

Mean Birth Length (cm)

20.0 (2.0)

20.2 (1.1)

20.1 (1.6)

0.52

Mean Head Circumference (cm)

35.0 (1.5)

34.5 (1.4)

34.7 (1.4)

0.08

APGAR Score

Median 1 Min (Range)

8 (1–9)

9 (1–9)

8.5 (1–9)

0.60

Median 5 Min (Range)

9 (5–10)

9 (6–9)

9 (5–10)

0.75

Mean Maternal Age (years)

32.3 (4.2)

32.0 (3.5)

32.2 (3.8)

0.66

Racial Background

African American/Black

0

1

1

 

Asian

3

1

4

 

Caucasian/White

44

44

88

 

Native Hawaiian or Other Pacific Islander

0

0

0

 

Mixed Race

1

4

5

 

Not Reported

2

4

6