Table 6.
Intra-reader agreement and 95% confidence intervals for reader 1 and reader 2 for all measured MRI parameters
| ADC metric | Reader 1 | Reader 2 | ||
|---|---|---|---|---|
| Rho-c (95% confidence Interval) | Strength of agreement | Rho-c (95% confidence interval) | Strength of agreement | |
| Wtu max ADC | 0.37 (0.41, 0.74) | Fair | 0.24 (0.07, 0.41) | Slight |
| Wtu mean ADC | 0.44 (0.26, 0.61) | Moderate | 0.41 (0.21, 0.62) | Moderate |
| Wtu min ADC | 0.21 (− 0.02, 0.44) | Slight | 0.29 (0.09, 0.48) | Slight |
| Dptu max ADC | 0.18 (− 0.06, 0.41) | Slight | 0.33 (0.11, 0.54) | Fair |
| Dptu mean ADC | 0.39 (0.20, 0.59) | Fair | 0.05 (− 0.01, 0.12) | Slight |
| Dptu min ADC | 0.37 (0.41, 0.74) | Fair | 0.24 (0.07, 0.41) | Slight |
| Ptu mean ADC | 0.44 (0.26, 0.61) | Moderate | 0.41 (0.21, 0.62) | Moderate |
ADC apparent diffusion coefficient, Wtu, whole tumor, Dptu darkest part of the tumor, Ptu point tumor, max maximum, min minimum