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Table 3 Inter- and intra-observer reliability for component orientation measured using the low-dose bi-planar radiographs

From: Assessing component orientation of total hip arthroplasty using the low-dose bi-planar radiographs

Type of reliability

ICC

95% CI

Intra-observer for cup anteversion

0.956

0.924–0.975

Inter-observer for cup anteversion

0.945

0.905–0.968

Intra-observer for cup inclination

0.928

0.876–0.958

Inter-observer for cup inclination

0.923

0.867–0.955

Intra-observer for stem anteversion

0.987

0.977–0.993

Inter-observer for stem anteversion

0.981

0.967–0.989

  1. CI Confidence interval, ICC Intra-class correlation coefficient