An international multi-center investigation on the accuracy of radionuclide calibrators in nuclear medicine theragnostics

EJNMMI Physics

Table 2 Percentage of activity measurements that exceed a given deviation from the reference activity

Radionuclide	Sample type	Deviating measurements (%)		No. of measurement datasets	No. of systems tested
Radionuclide	Sample type	± 5%	± 10%	No. of measurement datasets	No. of systems tested
^99mTc	Syringes	3.6	0.0	55	28
^99mTc	Vials	9.1	0.0	55	28
¹¹¹In	Syringes	61.5	25.0	52	26
¹¹¹In	Vials	40.4	19.2	52	26
¹²³I	Syringes	67.9	34.0	53	27
¹²³I	Vials	98.1	35.8	53	27
¹²⁴I	Syringes	36.2	12.8	47	25
¹²⁴I	Vials	89.4	17.0	47	25
⁹⁰Y	Syringes	74.5	27.3	55	29
⁹⁰Y	Vials	47.3	23.6	55	29
¹³¹I	Syringes	10.7	3.6	56	30
¹³¹I	Vials	18.2	1.8	55	29
¹⁷⁷Lu	Syringes	18.2	0.0	55	29
¹⁷⁷Lu	Vials	29.1	0.0	55	29