Table 3.
Comparison of mammographic data
| Characteristics | Total n = 354 | Progression n = 122 | Non-progression n = 232 | Z/χ2 | p |
|---|---|---|---|---|---|
| Tumor length (mm) | 20.50 (16.00, 27.25) | 23.00 (17.00, 30.25) | 19.00 (15.00, 26.00) | -3.523 | < 0.001 |
| Tumor shape | 1.836 | 0.175 | |||
| Round/Oval | 251 (70.9%) | 81 (66.4%) | 170 (73.3%) | ||
| Irregular | 103 (29.1%) | 41 (33.6%) | 62 (26.7%) | ||
| Tumor density | 1.077 | 0.299 | |||
| Low/Equal | 50 (14.1%) | 14 (11.5%) | 36 (15.5%) | ||
| High | 304 (85.9%) | 108 (88.5%) | 196 (84.5%) | ||
| Tumor margin | 0.009 | 0.925 | |||
| Circumscribed/Obscured | 15 (4.2%) | 5 (4.1%) | 10 (4.3%) | ||
| Indistinct | 339 (95.8%) | 117 (95.9%) | 222 (95.7%) | ||
| Parenchyma | 11.418 | 0.001 | |||
| Negative | 107 (30.2%) | 23 (18.9%) | 84 (36.2%) | ||
| Positive | 247 (69.8%) | 99 (81.1%) | 148 (63.8%) | ||
| Trabecula | 8.285 | 0.004 | |||
| Negative | 84 (23.7%) | 18 (14.8%) | 66 (28.4%) | ||
| Positive | 270 (76.3%) | 104 (85.2%) | 166 (71.6%) | ||
| Halo Sign | 0.000 | 0.992 | |||
| Negative | 232 (65.5%) | 80 (65.6%) | 152 (65.5%) | ||
| Positive | 122 (34.5%) | 42 (34.4%) | 80 (34.5%) |