Table 1 T2 weighted MR imaging acquisition parameters of the four centres.

From: MRI radiomics independent of clinical baseline characteristics and neoadjuvant treatment modalities predicts response to neoadjuvant therapy in rectal cancer

Parameter

Scanner

TR (ms)

TE (ms)

FOV(mm)

Flip Angle

Matrix

Slice thickness/gap (mm)

Pixel size (mm)

Centre 1

SIEMENS 3.0 T (Magnetom Skyra)

4000

107

400 × 400

150–175°

640 × 640

4/0

0.625 × 0.625

Centre 2

GE 3.0 T (Signa HDX)

5160

151

220 × 220

90°

320 × 258

3/0.3

0.688 × 0.853

Centre 3

GE 3.0 T (OPTIMA)

4300

104

100 × 100

90°

288 × 256

3/6

0.347 × 0.391

Centre 4

SIEMENS 3.0 T (Magnetom Skyra)

4000

107

400 × 400

150–175°

640 × 640

4/0

0.625 × 0.625

  1. TR repetition time, TE echo time, FOV field of view.