Table 1.

Characteristics of subjects with diffuse thyroidal FAPI.

Subjects	SUVmax*	TBR$	Density	Echo pattern	Surface	Echo level	Size	T3	T4	TSH	TgAb	TPOAb
1	3.9	5.95	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	2.01	1.12	4.173	91.82	15.69
2	3.0	4.91	Normal	Normal	Regular	Normal	Normal	7.14	1.26	4.504	<0.12	<0.05
3	4.6	7.95	Reduced	Inhomogeneous	Regular	Hypoecho	Normal	2.07	0.86	16.117	620.47	872.18
4	6.9	15	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	2.29	0.86	4.368	714.45	61.99
5	3.9	7.01	Normal	Inhomogeneous	Regular	Normal	Normal	2.02	1.22	8.911	<0.12	<0.05
6	4.1	7.69	Reduced	Normal	Regular	Normal	Normal	2.86	1.32	6.017	<0.12	<0.05
7	3.2	7.71	Reduced	Inhomogeneous	Regular	Hypoecho	Normal	1.93	1.1	1.601	59.38	262.8
8	4.2	7.63	Reduced	Inhomogeneous	Regular	Hypoecho	Normal	2.46	0.82	15.901	15.74	11.85
9	4.5	5.13	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	17.11	4.51	<0.01	252.69	>1,000
10	2.8	5.42	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	5.38	3.11	<0.01	109.15	32.19
11	7.2	12.67	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	>25	>8	<0.01	>2,000	>1,000
12	3.9	7.35	Normal	Normal	Regular	Normal	Normal	2.43	1.19	6.977	<0.12	<0.05
13	7.5	9.23	Reduced	Inhomogeneous	Regular	Hypoecho	Small	1.44	1.57	4.281	865.1	985.85
14	8	16.26	Reduced	Inhomogeneous	Regular	Normal	Small	2.09	0.9	2.938	7.59	152.82
15	4.6	8.98	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	2.64	1.18	1.501	205.68	765.23
16	4.6	9.09	Normal	Inhomogeneous	Regular	Normal	Normal	2.29	1.22	3.145	>2,000	<0.05
17	6.1	7.45	Normal	Inhomogeneous	Regular	Normal	Normal	2.86	1.18	13.193	12.06	<0.05
18	3.4	6.03	Normal	Inhomogeneous	Regular	Normal	Normal	2.48	1.11	1.54	<0.12	<0.05
19	3.3	6.91	Normal	Inhomogeneous	Irregular	Normal	Small	1.29	1.23	2.64	<0.12	<0.05
20	4.9	8.19	Reduced	Inhomogeneous	Regular	Normal	Small	2.23	0.54	31.895	350.81	<0.05
21	3.6	6.74	Reduced	Inhomogeneous	Regular	Normal	Normal	2.53	1.32	3.99	59.62	<0.05
22	3.3	6.32	Reduced	Inhomogeneous	Irregular	Normal	Small	2.36	1.01	0.977	38.82	6.88
23	6.3	8.67	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	2.53	1.32	9.36	36.82	8.31
24	6.9	15.71	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	1.44	0.89	2.812	264.59	>1,000
25	4.1	11.14	Reduced	Inhomogeneous	Irregular	Hypoecho	Normal	2.51	1.28	4.243	646.07	<0.05
26	3.9	7.78 8	Reduced	Inhomogeneous	Irregular	Hypoecho	Normal	2.6	1.5	4.1	106.23	<0.05
27	32	38.55	Reduced	Inhomogeneous	Irregular	Hypoecho	Large	3.4	1.67	38.78	690.35	>1,000
28	3.6	6.314	Reduced	Inhomogeneous	Irregular	Hypoecho	Small	2.6	1.45	8.99	<0.12	<0.05

^*SUVmax of Thyroid.

^$TBR (target/background rates) = SUVmax of Thyroid/SUVmean of liver;the normal reference range of FT3 was 1.80–3.80 pg/ml, FT4 was 0.78–1.86 ng/dl, TSH was 0.38–5.57 mIU/L, TgAb was 0.0–14.58 IU/ml, and TPOAb was 0.0–2.6 IU/ml.