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Table 3 Correlation of tumor diameter in histology, Ultrasound and mammography

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

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

  1. Correlations with histology are shown for pairwise data, whereas correlations between Ultrasound and mammography required complete datasets