Table 4.
Mean difference and 95% limits of agreement for ADC and IVIM parameters on repeated IVIM DW images
| 4b | 4b gating | 17b | ||
|---|---|---|---|---|
| Brain | ADC | −3.3 (−28.5, 21.9) | −0.4 (−5.1, 4.3)* | −0.6 (−5.7, 4.5) |
| f | 5.5 (−43.1, 53.5) | 2.2 (−28.5, 33.0)* | 1.0 (−35.1, 37.1) | |
| D | −0.8 (−11.6, 10.0) | −0.6 (−5.8, 4.6) | −0.7 (−5.5, 4.3)* | |
| D* | 2.6 (−117.6, 122.8) | 19.4 (−54.2, 93.0)* | −1.8 (−118.4, 114.5) | |
| Muscle | ADC | −0.3 (−9.0, 8.3) | 0 (−8.2, 8.2)* | −1.5 (−15.3, 12.4) |
| f | 4.3 (−97.6, 106.2) | −4.3 (−59.6, 51.0)* | −7.5 (−90.3, 75.3) | |
| D | −0.9 (−14.2, 12.5) | 0.2 (−10.2, 10.6)* | −2.0 (−17.9, 14.0) | |
| D* | 11.1 (−157.7, 179.9) | −30.2 (−134.3, 73.8)* | −8.9 (−134.3, 116.4) | |
| Parotid | ADC | 2.6 (−11.3, 16.5) | 0 (−8.1, 8.1)* | 0.3 (−10.5, 11.0) |
| f | −1.3 (−54.1, 51.5) | 3.6 (−19.2, 26.4)* | −2.1 (−53.8, 49.7) | |
| D | 2.6 (−23.1, 28.4) | 1.1 (−17.9, 20.1)* | 1.5 (−22.8, 25.8) | |
| D* | 2.7 (−114.5, 119.9) | −1.6 (−81.1, 77.8)* | 9.1 (−96.6, 114.8) | |
| Submandibular glands | ADC | 0.2 (−27.2, 27.6) | −1.8 (−18.3, 14.6)* | 0.5 (−16.0, 16.9)* |
| f | 3.2 (−68.4, 74.7) | −5.7 (−49.9, 38.5)* | −2.3 (−93.6, 89) | |
| D | −1.6 (−50.7, 47.5) | −1.8 (−21.5, 17.8)* | −1.4 (−31.8, 29.1) | |
| D* | 29.1 (−129.7, 187.9) | 14.6 (−88.5, 117.6)* | −0.6 (−161.1, 160.0) | |
| Tonsil | ADC | −4.3 (−35.2, 26.6)* | −3.2 (−34.9, 28.5) | 2.0 (−37.9, 42.0) |
| f | −6.7 (−99.4, 86.1)* | 20.0 (−91.1, 131.1) | −21.7 (−152.7, 109.2) | |
| D | 3.3 (−49.2, 55.8) | −10.9 (−60.4, 38.6)* | 14.7 (−66.3, 95.7) | |
| D* | 24.7 (−116.2, 165.6) | −4.4 (−142.6, 133.8)* | 43.0 (−159.9, 245.9) |
Data in parentheses are 95% limits of agreement (%).
*
The narrowest value indicates the best reproducibility.