Table 1.

Clinical characteristics and FDG PET–CT data.

Characteristics	Value (n = 90)
Age (mean ± s.d.)	64.2 ± 11.6
Sex (male/female)	45/55
FDG PET–CT purpose, n
Initial evaluation of a proven neoplasia	22
Follow-up of a proven neoplasia	27
Suspicion of neoplasia	15
Suspicion of neoplasia recurrence	6
Research of primitive location	5
Other reasons	15
FDG PET–CT neoplastic disease activity, n
Certain	40
Possible or absent	50
FDG PET–CT metastatic disease, n
Certain	31
Possible or absent	59