Comparison of PACS and hard-copy 51-inch radiographs for measuring leg length and deformity.

Clinical Orthopaedics and Related Research
Saurabh KhakhariaS Robert Rozbruch

Abstract

The picture archiving and communication system (PACS) eventually will replace the use of standard hard-copy radiographs. It is unknown whether measurements of limb length discrepancy (LLD) and deformity on PACS compare in accuracy and reproducibility with those from hard-copy radiographs. We compared the reproducibility and reliability of LLD and deformity measurements for each of these two media. We retrospectively reviewed 51-inch standing lower extremity images obtained for LLD or deformity analysis from 40 patients to compare the measurements and their reliability on hard-copy film with those performed on soft-copy PACS. Two observers independently performed measurements twice using each system at 1-week intervals to minimize interobserver or intraobserver bias. Intraclass correlation coefficients (ICCs) were determined to test intraobserver and interrater reliability of Rater 1 and Rater 2. Interrater reliability of measurements made on hard copy ranged from 0.69 to 0.99 and PACS-derived measurements ranged from 0.66 to 0.98. Intraobserver reliability for Rater 1 for measurements made on hard copy ranged from 0.853 to 0.999 and PACS-derived measurements ranged from 0.80 to 0.996. Intraobserver reliability for Rater 2 for m...Continue Reading

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Citations

Aug 31, 2013·AJNR. American Journal of Neuroradiology·H W ParkE A Kim
Jul 23, 2016·Journal of Children's Orthopaedics·Amanda T WhitakerJohn E Herzenberg
Apr 8, 2016·Orthopaedics & Traumatology, Surgery & Research : OTSR·G SorinS Putman
Jan 7, 2011·Clinical Orthopaedics and Related Research·K T Matthew SeahS Robert Rozbruch
Jan 20, 2012·The Journal of Bone and Joint Surgery. American Volume·Sanjeev Sabharwal, S Robert Rozbruch
Jan 10, 2019·The Journal of the American Academy of Orthopaedic Surgeons·Peter K SculcoS Robert Rozbruch
Dec 7, 2011·Clinical Orthopaedics and Related Research·Shahab MahboubianS Robert Rozbruch
Jul 10, 2018·HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery·Austin T FragomenS Robert Rozbruch
Feb 6, 2020·HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery·Rachael J Da CunhaS Robert Rozbruch
Mar 20, 2021·BMC Musculoskeletal Disorders·Jan GessmannHinnerk Baecker

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