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Table 2 Characteristics of MRI abnormality in each group

From: High-resolution axial MR imaging of tibial stress injuries

  Abnormally periosteal signals Abnormally partial bone marrow signals Abnormally entire bone marrow signals Abnormally signals in anterior cortex Abnormally signals in medial-posterior cortex
G1 18/19 17/19 0/19 2/19 2/19
(94.7%) (89.5%) a (0%) b (11%) (10.5%) c
G2 7/7 0/7 7/7 3/7 6/7
(100%) (0%) a (100%) b (42.9%) (85.7%) c
G3 6/7 4/7 3/7 3/7 5/7
  (85.7%) (57.1%) (42.9%) (42.9%) (71.4%)
  1. MRI abnormalities including periosteal signals, bone marrow signals and cortical bone signals are shown. Significant differences are found in bone marrow signals (a and b), and medial-posterior cortical bone signals (c) (p < 0.05).