Table 2. Summary of 1H SNR and B1 + measurements in the developed array and two commercially available coils.
Measurement |
1H SNR |
1H B1+ (nT/V) | |||||
---|---|---|---|---|---|---|---|
ROI | GN(lat) | GN(med) | Soleus | TA | TP | Calf (transverse cross section) | |
31P/1H Array | 2.41 ± 0.23 | 2.52 ± 0.38 | 1.82 ± 0.24 | 1.30 ± 0.14 | 1.28 ± 0.13 | 89.1 ± 8.8 | |
31P/1H Birdcage | 1.08 ± 0.14 | 0.97 ± 0.08 | 1.14 ± 0.10 | 0.93 ± 0.11 | 1.26 ± 0.11 | 98.7 ± 8.4 | |
Clinical 1H Array | 2.47 ± 0.23 | 2.16 ± 0.28 | 1.97 ± 0.34 | 1.45 ± 0.17 | 1.50 ± 0.16 | 87.4 ± 6.1 |
*GN = gastrocnemius, TA = tibialis anterior, TP = tibialis posterior, lat = lateral, med = medial. Values are reported as the mean ± standard deviation within the ROI.