Table 5.
Odds ratios for breast cancer by quintile of absolute dense volume by Volpara (Volpara Health Technologies Ltd) and Quantra (Hologic) in approximately 6900 (depending on numbers with missing data) assessment cases in the UK Breast Screening Programme.
| Volpara dense volume (cm3) | OR | 95% CI | Quantra dense volume (cm3) | OR | 95% CI |
|---|---|---|---|---|---|
| <48 | 1.00 | – | <54 | 1.00 | – |
| 48–63.99 | 1.45 | 1.17–1.79 | 54–78.99 | 1.46 | 1.17–1.82 |
| 64–82.99 | 1.53 | 1.23–1.90 | 79–110.99 | 1.65 | 1.32–2.05 |
| 83–114.99 | 1.50 | 1.19–1.86 | 111–159.99 | 1.63 | 1.30–2.04 |
| ≥115 | 1.88 | 1.50–2.35 | ≥160 | 2.06 | 1.65–2.57 |