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Table 4 Overall percent agreement (OPA) and specific agreement (SA) for arthroplasty when posterior tilt was ≥ 20°. Eight raters evaluated the posterior tilt in 50 lateral radiographs of the hip

From: Eight orthopedic surgeons achieved moderate to excellent reliability measuring the preoperative posterior tilt angle in 50 Garden-I and Garden-II femoral neck fractures

 

OPA (95% CI)

SA (95% CI)

8 raters

83.9 (78.4–89.2)

61.3 (41.3–75.2)

4 registrars

86.3 (80.0–92.3)

61.0 (34.8–78.0)

4 consultants

80.8 (74.4–87.2)

59.3 (41.5–73.4)

  1. Numbers are percentages
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X