17 February 2026 : Clinical Research
Correlation Between Breast Parenchymal Stiffness Measured by 3T Magnetic Resonance Elastography and CT-Derived Hounsfield Units
Levent Karakaş
ABCDEF 1*, Süheyl Poçan ABCDEF 2
DOI: 10.12659/MSM.952112
Med Sci Monit 2026; 32:e952112
Table 2 Correlation and linear regression analysis between CT HU and MRE kPa.
| Analysis | Statistic/coefficient | Value | 95% CI | P value |
|---|---|---|---|---|
| Pearson correlation (r) | 0.834 | – | <0.001 | |
| Spearman correlation (ρ) | 0.772 | – | <0.001 | |
| Linear regression model: kPa=β+β·HU+β·Age | ||||
| Intercept (β) | 2.402 | 1.85–2.93 | – | |
| HU coefficient (β) (kPa/HU) | 0.009 | 0.007–0.010 | <0.001 | |
| Age coefficient (β) (kPa/year) | 0.005 | −0.006–0.017 | 0.21 | |
| Model fit (R) | 0.701 | – | – | |
| CI – confidence interval; CT – computed tomography; HU – Hounsfield unit; kPa – kilopascal; r – Pearson correlation coefficient; ρ – Spearman rank correlation coefficient; β – intercept; β – regression coefficient for HU; β – regression coefficient for age; R – coefficient of determination. | ||||