Table 3. Comparisons of SUVmax according to tumor characteristics.
| Characteristics | Mean SUVmax±SD | P-valuea |
| Age, years | 0.224 | |
| >35 (n = 27) | 3.63±2.31 | |
| ≤35 (n = 278) | 4.43±3.28 | |
| Tumor size | <0.001 | |
| ≤2 cm (n = 174) | 4.72±2.60 | |
| >2 cm (n = 131) | 2.92±1.94 | |
| Lymph node status | 0.011 | |
| Negative (n = 201) | 3.44±2.36 | |
| Positive (n = 104) | 4.18±2.41 | |
| Estrogen receptor status | 0.928 | |
| Positive (n = 277) | 3.69±2.43 | |
| Negative (n = 28) | 3.74±2.33 | |
| Progesterone receptor status | 0.394 | |
| Positive (n = 266) | 3.74±2.47 | |
| Negative (n = 39) | 3.43±2.00 | |
| HER2 | <0.001 | |
| Negative (n = 258) | 3.44±2.33 | |
| Positive (n = 47) | 5.12±2.40 | |
| Ki67 | 0.011 | |
| <14% (n = 272) | 3.57±2.35 | |
| ≥14% (n = 33) | 4.70±2.76 | |
| Histologic grade b | <0.001 | |
| 1 and 2 (n = 246) | 5.85±2.84 | |
| 3 (n = 26) | 3.58±2.27 | |
| Subtype | <0.001 | |
| Luminal A (n = 223) | 3.22±2.15 | |
| Luminal B (n = 82) | 4.98±2.64 |
HER2, human epidermal growth factor receptor-2.
a
Student’s t-tests.
b
Data with missing values.