Table 3:

Arterial and venous phase “tissue-CCA enhancement ratios” and “tissue-IJV enhancement ratios”

	Mean Tissue-CCA Enhancement Ratio	SD	P value^*	Mean Tissue-IJV Enhancement Ratio	SD	P value^*
Arterial phase
PTH-secreting lesion	0.571	0.081		1.147	0.428
Thyroid	0.427	0.218	0.046	0.763	0.251	0.030
Lymph node	0.194	0.034	0.0001	0.398	0.174	0.0002
Submandibular gland	0.221	0.028	0.0001	0.442	0.149	0.0004
Venous phase
PTH-secreting lesion	0.776	0.127		0.950	0.421
Thyroid	1.038	0.211	0.026	0.994	0.150	0.772
Lymph node	0.693	0.198	0.453	0.680	0.202	0.088
Submandibular gland	0.801	0.182	0.826	0.774	0.165	0.256