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Test-retest feature stability of colorectal liver metastases measured on 3 T ADC maps acquired on a Philips Ingenia (n = 10) and GE Discovery (n = 8) MR systems at the same clinical centre.
| Site F (Colorectal Liver, 3 T) | ADC Mean ± SD (10−6 mm2/s) | ADC Median (10−6 mm2/s) | Stable features (CCC > 0.85) | ||
|---|---|---|---|---|---|
| Unfiltered | Wavelet filtered | ALL (unfiltered + wavelet) | |||
| Philips | 1237.9 ± 324.4 | 1129.8 | 106/170 | 415/1152 | 521/1322 (39%) |
| GE | 1752.3 ± 395.6 | 1882.9 | 100/170 | 406/1152 | 506/1322 (38%) |
