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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