Table 1 Baseline demographic and clinical characteristics of included patients with breast disease
From: Evaluation of functional magnetic resonance APT and DKI imaging for breast cancer
Characteristic | Benign lesions (n = 55) | Malignant lesions (n = 113) | P value |
|---|---|---|---|
Patient characteristic | Â | Â | Â |
Patient age (year) | 45.2 ± 8.7 | 48.7 ± 9.0 | 0.017 |
Menstrual status | Â | Â | 0.044 |
Premenopausal (n = 104) | 40 (72.7%) | 64 (56.6%) |  |
Postmenopausal (n = 64) | 15 (27.3%) | 49 (43.3%) |  |
Lesion characteristic | Â | Â | 0.0486 |
Size (cm) | 2.72 ± 2. 21 | 3.35 ± 1.72 |  |
Masses | 28 (50.9%) | 96 (85.0%) | Â |
Shape | Â | Â | <0.0001 |
Oval or round (n = 45) | 37 (67.3%) | 8 (7.1%) |  |
Irregular (n = 123) | 18 (32.7%) | 105 (92.9%) |  |
Kinetic curve type | Â | Â | <0.0001 |
Persistent | 9 | 0 | Â |
Plateau | 22 | 12 | Â |
Washout | 12 | 98 | Â |
Others | 12 | 3 | Â |
BI-RADS | Â | Â | <0.0001 |
Negative (categories 1, 2, and 3) | 31 (56.4%) | 0 (0.0%) | Â |
Positive (categories 4, 5, and 6) | 18 (32.7%) | 113 (100.0%) | Â |
Parameters | Â | Â | Â |
Kapp | 0.53 ± 0.20 | 0.92 ± 0.31 | <0.0001 |
Dapp (×10− 3 mm2/s) | 1.98 ± 0.65 | 1.15 ± 0.52 | <0.0001 |
MTRasym (3.5 ppm) | 2.27 ± 1.36 | 2.78 ± 1.24 | 0.0173 |
ADC (×10− 3 mm2/s) | 1.46 ± 0.46 | 0.79 ± 0.24 | <0.0001 |