Table 2.

Numerically simulated results of ${\mathbf{B}}_{\mathbf{1}}^{\mathit{+}}$ transmit and averaged 10 g-averaged SAR efficiencies for different coils in four-channel configurations placed around two different human body voxel models.

		${⟨{\mathbf{B}}_{\mathbf{1}}^{\mathit{+}}⟩}_{\mathrm{ROI}}/\sqrt{{\mathrm{P}}_{\mathrm{acc}}}$	${⟨{\mathbf{B}}_{\mathbf{1}}^{\mathit{+}}⟩}_{\mathrm{ROI}}/\sqrt{\max \left({\mathrm{SAR}}_{\mathrm{10}\mathrm{g}}\right)}$	$\max \left({\mathrm{SAR}}_{\mathrm{10}\mathrm{g}}\right)$
Coil array	Body model	(μT ⋅ W−1/2)	(μT ⋅ W−1/2 ⋅ kg1/2)	(W/kg)
LWA	Duke	0.091	0.193	0.22
Dipole	Duke	0.085	0.142	0.37
Stripline	Duke	0.068	0.075	0.81
Loop	Duke	0.081	0.092	0.77
Slot	Duke	0.054	0.049	1.1
LWA	Gustav	0.105	0.214	0.24
Dipole	Gustav	0.102	0.185	0.31

${\mathbf{B}}_{\mathbf{1}}^{\mathit{+}}$ is averaged over the ROI, whereas the 10 g-averaged SAR is given in the maximum hotspot.

Values to be compared are highlighted in bold.