Table 3. Qualitatively or Quantitatively Suggested Optimal b-Values and Their Mean Differences according to the Zonal Location of the MRI-Suggested Index Lesion or Presence of csPCa.
| Parameter | 95% CI of the Median b-Value | Mean Difference of Bland-Altman Plot | |
|---|---|---|---|
| Qualitative | Quantitative | ||
| PZ | |||
| Reader 1 | 1755–1805 | 1596–1715 | 102.7 |
| Reader 2 | 1832–1910 | 1665–1772 | 86.1 |
| TZ | |||
| Reader 1 | 1756–1802 | 1661–1894 | 34.6 |
| Reader 2 | 1759–1888 | 1687–2020 | 19.5 |
| Presence of csPCa | |||
| Reader 1 | 1736–1789 | 1643–1779 | 101.0 |
| Reader 2 | 1870–1932 | 1625–1876 | 96.8 |
| Absence of csPCa | |||
| Reader 1 | 1736–1789 | 1580–1721 | 61.8 |
| Reader 2 | 1790–1875 | 1670–1787 | 46.4 |
The unit of all b-value data are s/mm2. CI= confidence interval, csPCa = clinically significant prostate cancer, MRI = magnetic resonance imaging, PZ = peripheral zone, TZ = transition zone