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Table 3 Reproducibility of Mean SII Measurements in Each of the Five Lumbar Segments with Three Vendors in Two Field Strengths

From: Chemical shift MR imaging in the lumbar vertebra: the effect of field strength, scanner vendors and flip angles in repeatability of signal intensity index measurement

Lumbar Segment

1.5 T Toshiba– 1.5 T GE

1.5 T GE– 3.0 T Siemens

1.5 T Toshiba - 3.0 T Siemens

L1

1.002 (−9.384, 11.388)

2.460 (−18.067, 22.987)

3.462 (−12.770, 19.693)

L2

−0.906 (−12.100, 10.289)

−0.327 (−18.893, 18.239)

−1.233 (−17.012, 14.547)

L3

−0.094 (−12.940, 12.751)

−1.230 (−16.663, 14.203)

−1.324 (−16.319, 13.671)

L4

−0.303 (−11.095, 10.488)

−0.327 (−14.208, 13.554)

−0.631 (−14.787, 13.526)

L5

−0.452 (−8.683, 7.779)

0.456 (−14.329, 15.242)

0.004 (−15.133, 15.142)

  1. Note. —Data in parentheses are 95% LOA