Measurement of Acetabular Index Intraobserver and Interobserver Variation

Pelvic radiographs of 25 children aged 6 months to 2 years had the acetabular index measured 3 times by each of five pediatric orthopaedists. Interobserver measurements were found to vary ±3.0°, whereas the intraobserver variation was ±3.6°. This error reflects only measurement error and does not co...

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Veröffentlicht in:	Journal of pediatric orthopaedics 1997-03, Vol.17 (2), p.174-175
Hauptverfasser:	Spatz, Debra K, Reiger, Mark, Klaumann, Michelle, Miller, Freeman, Stanton, Robert P, Lipton, Glenn E
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetabulum - diagnostic imaging Bias Biological and medical sciences Child, Preschool Hip Dislocation, Congenital - diagnostic imaging Humans Infant Investigative techniques, diagnostic techniques (general aspects) Medical sciences Observer Variation Osteoarticular system. Muscles Radiodiagnosis. Nmr imagery. Nmr spectrometry Radiography Sampling Studies
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Zusammenfassung:	Pelvic radiographs of 25 children aged 6 months to 2 years had the acetabular index measured 3 times by each of five pediatric orthopaedists. Interobserver measurements were found to vary ±3.0°, whereas the intraobserver variation was ±3.6°. This error reflects only measurement error and does not consider error introduced with different positioning of the pelvis.
ISSN:	0271-6798 1539-2570
DOI:	10.1097/00004694-199703000-00007