Skip to main content

Table 4 Significant features corresponding to these top 10% of weights in four sub-task classifications

From: Automatic knee osteoarthritis severity grading based on X-ray images using a hierarchical classification method

Classification

Features name

Grade 0–2 VS Grade 3–4

Mean area of all osteophytes

Number of osteophytes

Grade 3 VS Grade 4

Area of all osteophytes

Min range of joint space width of TJS

Grade 0 VS Grade 1–2

Original_shape2D_Elongation

Grade 1 VS Grade 2

Mean joint space width of MJS

Original_shape2D_Elongation