Table 1.
Baseline characteristics and pathologic diagnoses of the 241 elegible colorectal lesions n (%)
| Variables | Total (n = 241) | Focal FDG uptake (+) (n = 95) | Focal FDG uptake (-) (n = 146) | P value |
| Baseline characteristics | ||||
| Age, yr1 (range) | 62 (29-86) | 64 (31-86) | 59.5 (29-84) | 0.068 |
| Males | 153 (64) | 57 (60) | 96 (65) | 0.366 |
| Overweight or obesity (BMI > 25 kg/m2) | 22 (9.1) | 9 (9.5) | 13 (8.9) | 0.367 |
| F/U after complete CRC resection | 67 (28.2) | 16 (17.9) | 51 (34.9) | 0.006 |
| Pathologic diagnoses | ||||
| Non specific | 140 (58.1) | 26 (27.5) | 114 (78.1) | < 0.001 |
| Inflammation | 24 (9.9) | 18 (18.9) | 6 (4.1) | < 0.001 |
| Adenoma (any size) | 40 (16.6) | 18 (18.9) | 22 (15.1) | 0.430 |
| Advanced adenoma | 18 (7.5) | 16 (16.8) | 2 (1.4) | < 0.001 |
| Cancer | 37 (15.4) | 33 (34.7) | 4 (2.7) | < 0.001 |
| Advanced colorectal neoplasms | 55 (22.9) | 49/95 (51.5) | 6/146 (4.1) | < 0.001 |
1
Median (range). FDG: 18F-Fluorodeoxyglucose; BMI: Body mass index; F/U: Follow up; CRC: Colorectal cancer.