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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Interobserver reliability for the presence of the crossover sign (COS), enlargement and/or erosion and/or sclerosis of the symphysis (SS), the centre-edge angle (CEA) and the alpha angle (α)

From: Cam morphology and inguinal pathologies: is there a possible connection?

Structural feature

Interobserver reliability (k value)

Confidence interval (CI 95%)

COS

0.60

0.52–0.68

SS

0.73

0.68–0.79

CEA

0.77

0.70–0.84

α

0.76

0.69–0.83