Relation Between Some Clinical or Tumor Characteristics and Tumor SUVmax in 98 Patients
| Characteristic | No. of patients | SUVmax mean ± SD | SUVmax median | P* |
| Age | 0.78 | |||
| ≤50 y | 55 | 7.2 ± 3.7 | 6.6 (4.50–8.95) | |
| >50 y | 43 | 6.8 ± 3.4 | 6.3 (3.90–8.90) | |
| Tumor classification† | 0.4 | |||
| T2 | 38 | 6.2 ± 3.3 | 5.3 (3.73–7.95) | |
| T3 | 38 | 6.9 ± 3.3 | 6.7 (4.40–7.85) | |
| Lymph node classification† | 0.45 | |||
| N0 | 38 | 7.5 ± 4.0 | 6.6 (4.85–8.73) | |
| N1–2-3 | 60 | 6.7 ± 3.2 | 6.55 (4.12–8.95) | |
| Distant metastases‡ | 0.17 | |||
| M0 | 84 | 6.9 ± 3.6 | 6.15 (4.27–8.83) | |
| M1 | 14 | 7.9 ± 3.2 | 7.7 (5.55–9.88) | |
| Histologic type | 0.018¶ | |||
| IDC | 87 | 7.2 ± 3.5 | 6.8 (4.65–9.00) | |
| Invasive lobular carcinoma | 8 | 4.8 ± 3.9 | 4.0 (2.88–4.80) | |
| Grade | 0.003¶ | |||
| Grade 1–2 | 71 | 6.4 ± 3.4 | 5.4 (4.05–7.75) | |
| Grade 3 | 24 | 8.4 ± 3.3 | 8.3 (6.82–9.43) | |
| Progesterone expression | 0.1 | |||
| Negative | 34 | 7.7 ± 3.6 | 7.4 (4.83–9.47) | |
| Positive | 64 | 6.6 ± 3.5 | 5.9 (4.27–7.93) |
↵* Comparison of median values with Wilcoxon rank-sum test.
↵† Clinical classification before 18F-FDG PET/CT examination according to 7th ed. of AJCC Staging Manual.
↵‡ PET/CT findings: M0 (absence of distant metastases); M1 (distant metastases).
↵¶ Numerals correspond to statistically significant P values.
Data in parentheses are ranges.