Table 2 Intra-observer and inter-observer reliability of measuring method.

From: Reliability and accuracy of intraoperative fluoroscopy assessment of acetabular cup anteversion in supine direct anterior approach total hip arthroplasty

Method

Intra-observer reliability (ICC, 95% CI)

Inter-observer reliability (ICC, 95% CI)

Intraoperative fluoroscopy

0.940 (0.902–0.963)

0.951 (0.920–0.970)

Postoperative AP X-ray

0.961 (0.936–0.976)

0.969 (0.949–0.981)

Postoperative CT scan

0.957 (0.929–0.974)

0.971 (0.953–0.983)

  1. ICC, Intraclass correlation coefficient; CI, Confidence interval; AP: Anteroposterior.