Table 3.

MRI protocol specification for the FLAIR and T1-W sequence obtained from a 1.5 T Signa HDx GE Scanner and detailed information about the use of MRI datasets for training and testing.

Sequence	FLAIR	T1-W
MRI protocol
Orientation	2D-Axial	2D-Axial
Image dimension (px)	512 × 512	512 × 512
Voxel size (mm)	0.4297 × 0.4297 × 5	0.4297 × 0.4297 × 5
Intersection gap (mm)	1	1
Repetition time (ms)	8002 ± 0	490.70 ± 29.39
Echo time (ms)	126.21 ± 2.30	13.30 ± 0.46
Inversion time (ms)	2000 ± 0	–

Dataset	Training (FLAIR)	Testing (FLAIR)
MRI data set
Subject's gender (Male/Female)	10 (6/4)	32(13/19)
Subject's age	56.40 ± 10.71	56.38 ± 6.46
Slices of each subject	20.455 ± 6.905	21.55 ± 4.139
Confirmed WML slices/total slices	92/225	279/711
Confirmed WML counts	533	1569
“WML”/“Non-WML” annotation counts	533/3924	–
WML loads (mL) of each subject	5.040 ± 7.05	7.480 ± 23.82
Mild WML loads (mL)/Subjects	1.459 ± 1.4730/7	1.639 ± 0.9936/25
Moderate WML loads (mL)/Subjects	5.909 ± 0.3206/2	8.855 ± 2.147/ 5
Severe WML loads (mL)/Subjects	23.951/1	77.11 ± 83.62/2

Repetition time, Echo time, Inversion time, Age, Slices of each subject, and WML loads are presented as mean ± standard deviation. ms, mm, and mL represent for milliseconds, millimeters, and milliliters, respectively.