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Fig. 2 | Laboratory Animal Research

Fig. 2

From: Establishment of an image evaluation grading criteria for experimental stifle joint osteoarthritis in dogs: an X-ray and CT imaging study

Fig. 2

Representative images of OA severity using computed tomography(upper) and X-ray(lower) imaging. Validation results by criteria for assessing OA severity using both CT and X-ray. OA severity was assessed using both CT and X-ray scores ranging from 0 to 4 points, A Score:1; B Score:2; C Score:3; D Score:4, with higher scores representing greater severity. The severity score in the OA group was significantly higher than that in the control group (P = 0.001). The yellow arrow indicates an osteophyte. The white arrow indicates a doubtful opacity in the infrapatellar fat pad

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