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Inter- and intraobserver reliability in the radiographic evaluation of adult flatfoot deformity.
Foot Ankle Int. 2010 Feb; 31(2):141-5.FA

Abstract

BACKGROUND

Adult acquired flatfoot is a complex deformity with numerous radiographic measurements described to define it. The purpose of this study was to evaluate the inter- and intraobserver reliability of six radiographic measurements using digital and conventional radiographs.

MATERIALS AND METHODS

Three digital weightbearing radiographs consisting of anteroposterior, lateral, and hindfoot alignment views were obtained at presentation for 20 consecutive patients. Six radiographic measurements were made for each patient: talus/second metatarsal angle, calcaneal pitch angle, talus/first metatarsal angle, medial cuneiform/fifth metatarsal distance, tibial/calcaneal displacement, and calcaneal angulation. Each radiograph was evaluated on multiple occasions by a senior orthopaedic surgery resident, a junior orthopaedic surgery resident, and a third-year medical student. Inter- and intraobserver reliability was determined using measurements made on digital radiographs.

RESULTS

Interobserver reliabilities were 0.830 for talus/second metatarsal angle, 0.948 for calcaneal pitch angle, 0.781 for talus/first metatarsal angle, 0.991 for medial cuneiform/fifth metatarsal distance, 0.870 for tibial/calcaneal displacement, and 0.834 for calcaneal angulation. Interobserver reliability was similar for digital and conventional radiographs, and intraobserver reliability increased with observer experience.

CONCLUSION

Adult acquired flatfoot deformity is a complex condition that is difficult to quantify radiographically. The medial cuneiform/fifth metatarsal distance and the calcaneal pitch angle were found to have the highest interobserver reliability. Intraobserver reliability increased with observer experience.

Authors+Show Affiliations

Miami Valley Hospital, Dayton, OH, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

20132751

Citation

Sensiba, Paul R., et al. "Inter- and Intraobserver Reliability in the Radiographic Evaluation of Adult Flatfoot Deformity." Foot & Ankle International, vol. 31, no. 2, 2010, pp. 141-5.
Sensiba PR, Coffey MJ, Williams NE, et al. Inter- and intraobserver reliability in the radiographic evaluation of adult flatfoot deformity. Foot Ankle Int. 2010;31(2):141-5.
Sensiba, P. R., Coffey, M. J., Williams, N. E., Mariscalco, M., & Laughlin, R. T. (2010). Inter- and intraobserver reliability in the radiographic evaluation of adult flatfoot deformity. Foot & Ankle International, 31(2), 141-5. https://doi.org/10.3113/FAI.2010.0141
Sensiba PR, et al. Inter- and Intraobserver Reliability in the Radiographic Evaluation of Adult Flatfoot Deformity. Foot Ankle Int. 2010;31(2):141-5. PubMed PMID: 20132751.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Inter- and intraobserver reliability in the radiographic evaluation of adult flatfoot deformity. AU - Sensiba,Paul R, AU - Coffey,Michael J, AU - Williams,Nathan E, AU - Mariscalco,Michael, AU - Laughlin,Richard T, PY - 2010/2/6/entrez PY - 2010/2/6/pubmed PY - 2010/3/26/medline SP - 141 EP - 5 JF - Foot & ankle international JO - Foot Ankle Int VL - 31 IS - 2 N2 - BACKGROUND: Adult acquired flatfoot is a complex deformity with numerous radiographic measurements described to define it. The purpose of this study was to evaluate the inter- and intraobserver reliability of six radiographic measurements using digital and conventional radiographs. MATERIALS AND METHODS: Three digital weightbearing radiographs consisting of anteroposterior, lateral, and hindfoot alignment views were obtained at presentation for 20 consecutive patients. Six radiographic measurements were made for each patient: talus/second metatarsal angle, calcaneal pitch angle, talus/first metatarsal angle, medial cuneiform/fifth metatarsal distance, tibial/calcaneal displacement, and calcaneal angulation. Each radiograph was evaluated on multiple occasions by a senior orthopaedic surgery resident, a junior orthopaedic surgery resident, and a third-year medical student. Inter- and intraobserver reliability was determined using measurements made on digital radiographs. RESULTS: Interobserver reliabilities were 0.830 for talus/second metatarsal angle, 0.948 for calcaneal pitch angle, 0.781 for talus/first metatarsal angle, 0.991 for medial cuneiform/fifth metatarsal distance, 0.870 for tibial/calcaneal displacement, and 0.834 for calcaneal angulation. Interobserver reliability was similar for digital and conventional radiographs, and intraobserver reliability increased with observer experience. CONCLUSION: Adult acquired flatfoot deformity is a complex condition that is difficult to quantify radiographically. The medial cuneiform/fifth metatarsal distance and the calcaneal pitch angle were found to have the highest interobserver reliability. Intraobserver reliability increased with observer experience. SN - 1071-1007 UR - https://www.unboundmedicine.com/medline/citation/20132751/Inter__and_intraobserver_reliability_in_the_radiographic_evaluation_of_adult_flatfoot_deformity_ L2 - http://journals.sagepub.com/doi/full/10.3113/FAI.2010.0141?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -