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. 2026 Jan 5;10:1. doi: 10.1186/s41747-025-00663-1

Table 2.

PDFF and R2* values (median and interquartile range) extracted from the whole-liver segmentation, including and excluding the hepatic vessels

Metric With vessels Without vessels Absolute difference p-value ρ
PDFF (%) 3.49 (0.37–10.77) 3.56 (0.38–10.88) 0.06 [0–0.27] 0.90 0.99
R2* (s-1) 49.07 (41.59–59.14) 49.27 (41.73–59.41) 0.25 [0–2.93] 0.76 0.99

The absolute difference is represented as the mean [minimum–maximum]

PDFF Proton density fat fraction