Table 3.

Summary of the supply and net administration doses, and the leakage from the face mask system

	C15O scan	15O2 scan	C15O2 scan
Supplied radioactivity per scan	2574 ± 255 MBq	2220 ± 766 MBq	1763 ± 174 MBq
Net administration per scan	541 ± 149 MBq	320 ± 103 MBq	523 ± 137 MBq
%Leakage	0.166 ± 0.493%	0.181 ± 0.525%	0.148 ± 0.545%
# of scans with no detected leakage	417	395	529
# of scans	749	749	749