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Table 1 Study population characteristics (N = 45)

From: Validation of a brain MRI relaxometry protocol to measure effects of preterm birth at a flexible postnatal age

 

N

Descriptives

Infant characteristics

  

GA at birth, Median (IQR) in weeks

45

31 (26, 37)

PMA at MRI, Median (IQR) in weeks

45

38 (34, 41)

Postnatal age at MRI, Median (IQR) in days

45

49 (25, 91)

Sex female, N (%)

45

23 (51)

ROI values (ms -1 )

  

GP, Median (IQR)

  

T1

45

1146 (1075,1251)

T2

42

168 (158,180)

PN, Median (IQR)

  

T1

45

1250 (1141,1350)

T2

42

168 (155,178)

CS, Median (IQR)

  

T1

44

2027 (1751,2154)

T2

41

323 (282,369)

  1. SD = standard deviation.
  2. IQR = interquartile range, 25th to 75th percentile.
  3. GA = gestational age.
  4. PMA = postmenstrual age.