Relationship Between SUVmax and Clinicopathologic Characteristics (n = 64)
| Variable | Total (n) | Mean SUVmax | P |
| Sex | 0.555 | ||
| Male | 43 | 6.612 ± 4.824 | |
| Female | 21 | 5.781 ± 6.054 | |
| Age (y) | 0.003 | ||
| <60 | 34 | 4.571 ± 2.887 | |
| ≥60 | 30 | 8.343 ± 6.481 | |
| Tumor size (cm) | 0.012 | ||
| <5 | 30 | 4.607 ± 3.168 | |
| ≥5 | 34 | 7.868 ± 6.178 | |
| Lymph node metastasis | 0.288 | ||
| Negative | 28 | 5.546 ± 4.944 | |
| Positive | 36 | 6.956 ± 5.422 | |
| Histologic type | |||
| Well- or moderately differentiated adenocarcinoma | 21 | 5.452 ± 3.722 | <0.001 |
| Poorly differentiated adenocarcinoma | 24 | 9.579 ± 6.474 | |
| Signet-ring cell carcinoma | 19 | 3.226 ± 1.209 | |
| T category | 0.316 | ||
| T1/T2 | 20 | 5.360 ± 3.420 | |
| T3/T4 | 44 | 6.784 ± 5.847 | |
| Location | 0.268 | ||
| Proximal | 8 | 4.413 ± 3.917 | |
| Distal | 56 | 6.614 ± 5.358 |