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Table 1 Comparison of ultrasound and histology

From: The impact of breast cancer biological subtyping on tumor size assessment by ultrasound and mammography - a retrospective multicenter cohort study of 6543 primary breast cancer patients

  Mean histologic diameter Mean sonographic diameter Mean difference Mean relative difference (% sonogaphic tumor diameter) SD Histologic diameter SD Sonographic diameter N
Overall 20.78 18.25 2.534 21.08 12.29 9.629 5902
Endocrine non-responsive 23.77 21.10 2.666 17.24 13.98 10.205 848
Incomplete endocrine responsive 19.88 18.18 1.702 16.91 11.60 10.408 1224
Highly endocine responsive 20.43 17.62 2.811 23.44 12.00 9.078 3817
Not applicable 14.69 23.46 −8.769 −29.05 12.85 16.179 13
Ductal invasive 20.41 18.31 2.097 18.28 11.69 9.663 4257
Lobular invasive 23.42 17.72 5.699 43.13 14.97 9.627 737
G1 15.03 14.48 0.5521 11.15 9.824 9.191 652
G2 20.08 17.61 2.4675 21.97 11.678 9.317 3636
G3 24.69 21.21 3.4854 23.08 13.289 9.697 1614
pT1 13.52 14.03 −0.5067 6.024 5.159 7.066 3450
pT2 28.45 23.34 5.1141 35.658 6.989 8.347 2265
pT3 61.84 34.45 27.3904 122.220 17.761 16.055 187
Age <50 years 20.06 17.70 2.353 21.99 12.40 9.127 1295
Age 50–70 years 19.65 17.12 2.509 21.80 11.91 9.477 3042
Age >70 years 23.00 10.50 12.500 93.33 21.21 6.364 2