Table 2 Mean in vivo PCr SNR (mean ± SD) from quantifiable voxels in individual subjects using OXSA-AMARES Eq. 3. With matched voxel size and acquisition resolution, PETALUTE outperforms weighted MRSI acquisition in measured SNR by 34% (p < 0.001).

From: Feasibility and comparison of 3D modified rosette ultra-short echo time (PETALUTE) with conventional weighted acquisition in 31P-MRSI

 

PETALUTE

Weighted MRSI

Subject 1

10.50 (± 3.49)

8.51 (± 2.66)

Subject 2

11.26 (± 4.32)

7.37 (± 1.97)

Subject 3

13.21 (± 4.75)

10.54 (± 3.88)

Subject 4

12.99 (± 4.83)

9.24 (± 3.35)

Subject 5

11.78 (± 4.42)

9.11 (± 2.79)

Total quantified voxels

1070

947

Mean CRLB

2.18%

2.56%

Overall Leg PCr SNR

11.95 (± 4.39)

8.95 (± 3.00)