Bothamley, G.

Burke, S.

Piper, K.

Woznitza, N.

English

Canterbury Research and Theses Environment

Diagnostic Accuracy of Radiographer Chest X-ray ReportingNICK WOZNITZA 1,2,  KEITH PIPER 2,  STEPHEN BURKE1 & GRAHAM BOTHAMLEY 31  – R A D I O L O G Y  D E PA R T M E N T,  H O M E R T O N  U N I V E R S I T Y  H O S P I TA L ,  L O N D O N ,  U K2  – S C H O O L  O F  A L L I E D  H E A LT H  P R O F E S S I O N S ,  C A N T E R B U R Y  C H R I S T  C H U R C H  U N I V E R S I T Y,  K E N T,  U K3  – D E PA R T M E N T  O F  R E S P I R AT O R Y  M E D I C I N E ,  H O M E R T O N  U N I V E R S I T Y  H O S P I TA L ,  L O N D O N ,  U K1@xray_nick @MedRadJclub Why radiographer reporting? Study design Results Implications for practice2Why Radiographer CXR Reporting Sustained increases in radiology activity1 Significant reporting backlogs2 Diagnostic capacity highlighted as barrier to improved care3,4 Promising initial research5,6,71 – Diagnostic Imaging Dataset 2016; 2 – RCR Our patients are still waiting… 2016; 3 – Independent Cancer Taskforce 2015; 4 – 2020 Delivery Horizon Scanning 2015; 5 – Piper et al. Radiography 2014;20:94; Woznitza et al. Radiography 2014;20:223; 7 – Woznitza et al. Radiography 2014;20:258Study Design 10 consultant radiologists & 11 reporting radiographers 106 adult chest x-rays with robust reference standard diagnosis Normal reporting conditions Free response methodology, analysed using jack-knife approach (JAFROC) Non-inferiority approach1,21 – RCR & SCoR team working in clinical imaging 2012; 2 – Piaggio et al. JAMA 2012;308:2594Results: weighted JAFROC00.10.20.30.40.50.60.70.80.91Observer PeformanceRR CRRadiologist average performance 0.79 (0.76 – 0.81)Radiographer average performance 0.83 (0.81 – 0.85)t = 11.585; p < 0.00010.1                  0.2                   0.3                   0.4                   0.5                   0.6             0.7                   0.8                  0.9                   1R CRLesion Localisation FractionNon-Lesion Localisation Fraction 5Weighted JAFROC: Experience vs. Current VolumeConsultant Radiologists Reporting RadiographersVolume VolumeExperience < 5,000 5,001 – 9,999 ≥ 10,000 < 5,000 5,001 – 9,999 ≥ 10,0000 – 5 years0.809n=2^ ^0.839n=10.839n=40.803n=16 – 9 years0.760n=4^ ^0.824n=10.844n=20.822n=1≥ 10 years0.787n=20.813n=2^ ^ ^ ^6Implications for Practice With appropriate postgraduate education, reporting radiographers are able to interpret chest   X-rays at a level comparable to consultant radiologists Sustainable & safe capacity increase Opportunity for redesigned patient pathways, including lung cancer7Questions?nicholas.woznitza@nhs.net@xray_nick

Diagnostic accuracy of radiographer chest x-ray reporting

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Diagnostic accuracy of radiographer chest x-ray reporting

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