表 2. Ultrasonic signs of non-mass-like lesions.
非肿块型病变超声征象
| Ultrasonic image feature | n | Malignancy | Benignity | Odds ratio | P |
| * Malignancy proportion in brackets. | |||||
| Average age/yr. | 49.3 | 45.2 | <0.001 | ||
| Distorted structure/case | <0.001 | ||||
| Yes | 160 | 115 | 45 | 6.21 | |
| None | 247 | 72 | 175 | ||
| Posterior echo/case | 0.128 | ||||
| Attenuation | 184 | 114 | 70 | 3.35 | |
| No attenuation | 223 | 73 | 150 | ||
| CEUS/case | <0.001 | ||||
| High enhancement | 254 | 173 | 81 | 21.21 | |
| Other enhancement | 153 | 14 | 139 | ||
| Contrast score/case | <0.001 | ||||
| 5 points | 88 | 71 (80.7%)* | 17 | ||
| 4 points | 97 | 76 (79.2%)* | 21 | ||
| 3 points | 69 | 26 (37.7%)* | 43 | ||
| 2 points | 136 | 13 (9.6%)* | 123 | ||
| 1 poins | 17 | 1 (5.9%)* | 16 | ||
| Axillary lymph nodes/case | 6.22 | 0.021 | |||
| Abnormal | 114 | 87 | 27 | ||
| Normal | 293 | 100 | 193 | ||
| Elastic score/case | <0.001 | ||||
| ≥4.28 m/s | 178 | 129 | 50 | 7.56 | |
| <4.28 m/s | 229 | 58 | 170 | ||
| Calcification/case | <0.001 | ||||
| Micro-calcification | 166 | 129 | 38 | 10.65 | |
| None | 241 | 58 | 182 | ||
| Peak systolic velocity/case | 9.89 | <0.001 | |||
| ≥15.9 cm/s | 75 | 64 | 11 | ||
| <15.9 cm/s | 332 | 123 | 209 | ||