Table 2:

Average diffusivity data (Dav; 10−3mm2/s) and fractional anisotropy (FA) from automated processing

NeonateAge After Birth at MRI (days)GA at MRI (weeks)Gray MatterWhite Matter
Basal GangliaThalamiCalcarine CortexOptic RadiationCorticospinal TractsPosterior White MatterFrontal White Matter
DavFADavFADavFADavFADavFADavFADavFA
1239.571.290.161.020.151.260.151.460.321.240.191.520.141.550.14
21401.200.190.920.271.250.121.530.181.430.231.580.171.560.17
3341.571.140.180.950.221.210.161.370.321.130.311.350.171.280.21
43411.190.190.970.211.190.161.490.211.100.211.470.261.440.25
5840.431.290.131.050.171.190.141.400.271.260.281.440.161.510.14
6540.141.170.200.990.281.280.141.440.221.250.251.520.151.480.21
7740.291.160.200.940.291.260.121.540.261.190.211.500.181.420.20
8741.291.200.151.020.191.230.141.450.331.240.221.620.211.530.18
91040.571.200.141.020.191.200.121.410.311.100.181.510.181.590.13
10942.571.140.181.070.201.260.171.330.371.160.341.210.201.480.19
111342.861.130.150.950.201.210.121.230.371.100.261.360.181.260.20
12840.711.220.130.920.341.210.111.390.311.260.261.430.161.440.15
13641.711.130.190.940.241.170.131.500.331.190.331.500.121.630.19
141041.861.170.180.900.291.220.181.250.391.180.351.470.161.510.15
151242.431.150.200.970.271.250.141.460.241.240.241.770.141.580.16
16239.571.370.141.140.321.360.191.610.191.680.161.840.211.720.25
Mean*6.840.51.190.170.980.231.220.141.410.301.200.261.460.171.480.18
SD*3.50.80.050.030.050.050.030.020.100.060.090.060.100.030.110.04
  • Note:—GA indicates gestational age.

  • * The mean and SD calculations do not include values for neonate 16 with abnormal findings on conventional MRI and for neonate 15 with mild developmental delay at the 14-month exam.