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Fig. 4 | Arthritis Research & Therapy

Fig. 4

From: Calcification of the acetabular labrum of the hip: prevalence in the general population and relation to hip articular cartilage and fibrocartilage degeneration

Fig. 4

Logarithmic scatter plots show significant correlation between the mean amount of calcification (percentage of total cartilage area) of the acetabular labrum of the hip (ALH) and the histological degeneration grade (Krenn) of the ALH (r = 0.55, p < 0.001) after adjustment for age (a), the mean amount of ALH calcification (percentage of total cartilage area) and the histological osteoarthritis (OA) grade for the hyaline cartilage (Osteoarthritis Research Society International (OARSI)) of the femoral head (r = 0.35, p < 0.001) after adjustment for age (b) and the histological degeneration grade (Krenn) of the ALH and age (r = 0.35, p < 0.001) after adjusting for cartilage calcification (d). c There was no correlation between the mean amount of ALH calcification (percentage of total cartilage area) and age (p = 0.72) after adjusting for the histological degeneration grade. Data points are jittered to avoid over plotting. Logarithmic scatter plots are shown with the blue orthogonal regression line and with the corresponding correlation coefficient (r)

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