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Film-reading ability of radiographers in detecting gastric cancer during screening using X-ray examination

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Abstract

Purpose

The aim of this study was to evaluate the film-reading ability of radiographers in detecting gastric cancer during screening X-ray examinations.

Materials and methods

A test set of 100 patients (50 negative and 50 positive; mean age 62 years, range 33–78 years) given a stomach X-ray examination were selected from those who underwent gastric cancer screening in Osaka, Japan, between 2000 and 2003. Eleven radiographers and four radiologists scored the test set on a five-point scale. A receiver operating characteristic (ROC) analysis was performed, and the area under the ROC curve (AUC) was defined as a measure of film-reading ability to detect cancer.

Results

No significant difference (two-tailed P = 0.962, Welch’s t-test) was observed between averaged AUC values from radiographers (0.76, range 0.85–0.62) and radiologists (0.75, range 0.86–0.62).

Conclusion

Film-reading ability of radiographers in detecting gastric cancer during screening X-ray examinations was not significantly different from that of radiologists. Our results suggest that radiographers can assist radiologists to detect gastric cancer during screening.

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Correspondence to Hidetoshi Yatake.

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Yatake, H., Takeda, Y., Katsuda, T. et al. Film-reading ability of radiographers in detecting gastric cancer during screening using X-ray examination. Jpn J Radiol 27, 291–296 (2009). https://doi.org/10.1007/s11604-009-0339-y

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  • DOI: https://doi.org/10.1007/s11604-009-0339-y

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