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Figure 4 | BMC Musculoskeletal Disorders

Figure 4

From: Radiographic signs for detection of femoroacetabular impingement and hip dysplasia should be carefully used in patients with osteoarthritis of the hip

Figure 4

Association between severity of osteoarthritis and radiographic parameters. a-g: Patient based measurement values of CE-angle, sharps-angle, Extrusion-index, depth-to-width ration, CCD-angle, head-ratio and roof-oblique by severity of osteoarthritis of the hip (Kellgren-Lawrence 0-4) [most severe hip and corresponding measurements or in case of equal severity on both sides, averaged measurements over both hips were considered]. a: X-axis: group 0-4 according to severity of osteoarthritis, Y-axis: CE-angle in degree. There was a statistical significant difference in the CE-angle between the groups (p < 0.001). b: X-axis: group 0-4 according to severity of osteoarthritis Y-axis: sharp’s angle in degree. There was a statistical significant difference in the sharp’s angle between the groups (p < 0.001) c: X-axis: group 0-4 according to severity of osteoarthritis Y-axis: depth-to-width-ratio in%. No statistical significant difference between the groups was seen (p = 0.535). d: X-axis: group 0-4 according to severity of osteoarthritis Y-axis: extrusion-index in%. There was a statistical significant difference in the extrusion-index between the groups (p < 0.001) e: X-axis: group 0-4 according to severity of osteoarthritis, Y-axis: roof-obliquity in degree. No statistical significant difference between the groups was seen (p = 0.18). f: X-axis: group 0-4 according to severity of osteoarthritis Y-axis: CCD-angle in degree. There was a statistical significant difference in the CCD-angle between the groups (p < 0.001). g: X-axis: group 0-4 according to severity of osteoarthritis Y-axis: head-ratio. There was a statistical significant difference in the head-ratio between the groups (p < 0.001).

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