TABLE 2

Phantom Image Activity and Dose Estimated from TrueX Reconstruction of Data Collected Using Net Acquisition Mode

Syringe concentration (MBq/mL)	Day/syringe	True activity (MBq)	VOI activity (MBq)	Expected dose (Gy)	Calculated dose (Gy)	Dose error (%)
4.72	1/1	378	347	147	135	−8.4
3.71	2/1	297	268	113	102	−9.9
3.12	1/2	250	230	99	91	−8.1
2.86	3/1	229	217	88	86	−2.3
2.76	1/3	221	208	85	80	−3.2
2.45	2/2	196	185	74	70	−6.1
2.22	4/1	178	181	72	71	−0.8
2.17	2/3	174	164	66	62	−6.0
1.89	3/2	151	150	59	60	1.9
1.69	5/1	136	137	57	57	1.0
1.67	3/3	134	138	51	54	6.5
1.65	1/4	132	144	51	56	9.4
1.47	4/2	118	112	49	49	0.9
1.30	4/3	104	112	41	43	4.0
1.30	2/4	104	107	39	41	3.2
1.12	5/2	90	97	38	41	8.3
0.99	3/4	80	96	31	39	24.8
0.99	5/3	79	92	32	37	16.5
0.78	4/4	62	86	24	34	38.7
0.59	5/4	47	69	19	28	45.8
0.35	1/5	28	59	11	24	113.1
0.27	2/5	22	52	9.1	22	138.5
0.21	3/5	17	49	6.6	20	206.9
0.16	4/5	13	45	5.4	19	244.4
0.12	5/5	10	41	4.2	17	317.9