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Table 1 Comparison of image density in the proximal femur

From: Evaluation of a pig femoral head osteonecrosis model

ROI region control (HU) necrotic (HU) reduction (%)
A head and neck 551 415 24.6
B whole head 650 380 41.5
C proximal head 361 335 7.4
D head base 1003 443 55.8