Table 3.
Correlation of tumor diameter in histology, Ultrasound and mammography
| Correlation overall | Correlation coefficient | N |
|---|---|---|
| Histology – Ultrasound | 0.5981 | 5902 |
| Histology – Mammography | 0.605 | 4230 |
| Ultrasound – Mammography | 0.7369 | 3757 |
| Correlation in ductal invasive cancer | ||
| Histology – Ultrasound | 0.6045 | 4257 |
| Histology – Mammography | 0.6157 | 3132 |
| Ultrasound – Mammography | 0.7319 | 2784 |
| Correlation in lobular invasive cancer | ||
| Histology – Ultrasound | 0.5209 | 737 |
| Histology – Mammography | 0.5271 | 474 |
| Ultrasound – Mammography | 0.7012 | 424 |
| Correlation for pT1 | ||
| Histology – Ultrasound | 0.3178 | 3450 |
| Histology – Mammography | 0.2528 | 2408 |
| Ultrasound – Mammography | 0.5922 | 2121 |
| Correlation for pT2 | ||
| Histology – Ultrasound | 0.3938 | 2265 |
| Histology – Mammography | 0.3864 | 1693 |
| Ultrasound – Mammography | 0.6349 | 1534 |
| Correlation for pT3 | ||
| Histology – Ultrasound | 0.1344 | 187 |
| Histology – Mammography | 0.1989 | 129 |
| Ultrasound – Mammography | 0.5527 | 102 |
| Correlation for endocrine non-responsive cancer (HR negative) | ||
| Histology – Ultrasound | 0.6427 | 848 |
| Histology – Mammography | 0.5252 | 599 |
| Ultrasound – Mammography | 0.7436 | 538 |
| Correlation for incomplete endocrine responsive cancer (HR positive) | ||
| Histology – Ultrasound | 0.5212 | 1224 |
| Histology – Mammography | 0.5781 | 930 |
| Ultrasound – Mammography | 0.7092 | 811 |
| Correlation for highly endocrine responsive cancer (HR positive) | ||
| Histology – Ultrasound | 0.6124 | 3817 |
| Histology – Mammography | 0.6334 | 2693 |
| Ultrasound – Mammography | 0.7407 | 2401 |
| Correlation for HER2/neu positive cancer | ||
| Histology – Ultrasound | 0.6345 | 797 |
| Histology – Mammography | 0.4375 | 565 |
| Ultrasound – Mammography | 0.7408 | 507 |
| Correlation for HER2/neu negative cancer | ||
| Histology – Ultrasound | 0.5958 | 4587 |
| Histology – Mammography | 0.6466 | 3278 |
| Ultrasound – Mammography | 0 0.7332 | 2956 |
| Correlation for patients aged <50 years | ||
| Histology - Ultrasound | 0.4658 | 1295 |
| Histology - Mammography | 0.5158 | 808 |
| Ultrasound - Mammography | 0.6922 | 729 |
| Correlation for patients aged 50–70 years | ||
| Histology - Ultrasound | 0.5970 | 3042 |
| Histology - Mammography | 0.5809 | 2210 |
| Ultrasound - Mammography | 0.7250 | 1941 |
| Correlation for patients aged >70 years | ||
| Histology - Ultrasound | 0.6700 | 1563 |
| Histology - Mammography | 0.6752 | 1211 |
| Ultrasound - Mammography | 0.7583 | 1086 |
Correlations with histology are shown for pairwise data, whereas correlations between Ultrasound and mammography required complete datasets