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Table 4 Patient age impacts both ultrasound and mammography precision

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

Age (years) versus T stadium pT1 pT2 pT3
<50 0.63591 0.33570 0.02839
50-70 0.63337 0.33754 0.02908
>70 0.46590 0.48902 0.04509
Age (years) versus Grading G1 G2 G3
<50 0.095 0.530 0.375
50-70 0.122 0.627 0.251
>70 0.092 0.674 0.234
Age (years) versus HR expression HR negative HR incompletely responsive HR positive
<50 0.20 0.23 0.57
50-70 0.14 0.21 0.65
>70 0.10 0.21 0.69
Age (years) versus HER2/neu expression HER2/neu negative HER2/neu positive
<50 0.82 0.18
50-70 0.85 0.15
>70 0.88 0.12
Age (years) versus histological subtype Ductal invasive Lobular invasive
<50 0.75 0.093
50-70 0.72 0.133
>70 0.71 0.128
Age (years) HER2/neu negative HER2/neu positive
<50 0.82 0.18
50-70 0.85 0.15
>70 0.88 0.12
  1. Relative Quantifications for T stadium, Grading, HR expression, HER2/neu expression or histological subtype in relation to age are shown