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Table 2 Advanced cancer rate among among Volpara density grade categories

From: Volumetric breast density and risk of advanced cancers after a negative screening episode: a cohort study

 

Total

VDG1

VDG2

VDG3

VDG4

p trend

Detection rate of advanced cancers 1st round (‰ (95% CI))

2.0 (1.4–2.8)

2.6 (1.1–5.1)

1.8 (0.7–3.6)

1.6 (0.7–3.0)

2.5 (1.1–5.0)

0.661

 Screen-detected 1st round stage II+

n = 32

n = 8

n = 7

n = 9

n = 8

 

Rate of advanced cancers among women screened negative 1st round (‰ (95% CI))

1.7 (1.1–2.5)

1.0 (0.2–2.8)

1.3 (0.4–3.0)

1.1 (0.4–2.3)

4.2 (2.2–7.1)

0.003

 Interval cancers stage II+

n = 16

n = 2

n = 4

n = 4

n = 6

 

 Screen-detected 2nd round stage II+

n = 11

n = 1

n = 1

n = 2

n = 7

 
  1. VDG Volpara density grade