Table 3.

Normalized number of disintegrations (hours) in source organs extrapolated from the rat PET data.

Organ	68Ga-DOTA-Siglec-9	18F-FDR- Siglec-9	P  value∗
Heart wall	0.0029 ± 0.00072	0.0026 ± 0.0010	0.55
Kidneys	0.093 ± 0.081	0.47 ± 0.21	0.0032
Liver	0.033 ± 0.0097	0.11 ± 0.043	0.0027
Lungs	0.0026 ± 0.0011	0.0029 ± 0.0011	0.62
Muscle	0.054 ± 0.0088	0.081 ± 0.042	0.17
Urinary bladder wall	0.17 ± 0.076	0.15 ± 0.070	0.70
Total body	1.3 ± 0.085	1.8 ± 0.32	0.0042

^∗Unpaired, 2-tailed Student's t-test.