TABLE 1.

Patient Characteristics for Entire Cohort and Subgroup with iPET

Characteristic	Entire cohort	iPET cohort
No. of patients	91	36
Sex (M:F)	53:38	20:16
Mean age (y)	62.5 (SD = 12.9)	59.7 (SD = 14.2)
Primary site (No. of patients)
Gastrointestinal tract	48	19
Pancreas	19	8
Unknown primary	9	2
Bronchopulmonary	6	3
Adrenal	4	2
Other	5	2
Mean tumor Ki-67 index (%)	8.3 (SD = 7.8)	10.5 (SD = 8.3)
Response status
Nonresponders	20	6
Other	71	30
Mean follow-up (mo)	12.2 (SD = 7.2)	20.1 (SD = 9.7)