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Table 3 Percentage of theragnostic activity measurements that exceed a given deviation from the reference activities

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

Theragnostic pair Sample type Deviating measurements (%) No. of pairs of measurement datasets No. of systems tested
± 5% ± 10% ± 20%
131I/123I Syringes 64.2 41.5 1.9 53 27
Vials 75.0 25.0 7.7 52 26
131I/124I Syringes 44.7 4.3 0.0 47 25
Vials 47.8 4.3 0.0 46 24
177Lu/111In Syringes 55.8 25.0 0.0 52 26
Vials 30.8 15.4 5.8 52 26
90Y/99mTc Syringes 67.9 32.1 26.4 53 27
Vials 52.8 20.8 13.2 53 27
90Y/111In Syringes 57.7 50.0 26.9 52 26
Vials 65.4 42.3 19.2 52 26