Pathologists
[FULL TEXT READ at bmj.com, including the abstract, the Reproducibility of diagnoses section and the Accuracy of diagnoses section; Tables 3 and 4 are served as pop-ups and were NOT read. CAUTION: Crossref records a correction, BMJ 2017;358:j3798, doi:10.1136/bmj.j3798, published 8 August 2017, WHICH WAS NOT READ. Check what it amends before printing a specific figure] Elmore, J. G., Barnhill, R. L., Elder, D. E., Longton, G. M., Pepe, M. S., Reisch, L. M., Carney, P. A., Titus, L. J., Nelson, H. D., Onega, T., Tosteson, A. N. A., Weinstock, M. A., Knezevich, S. R., & Piepkorn, M. W. (2017). 'Pathologists' diagnosis of invasive melanoma and melanocytic proliferations: observer accuracy and reproducibility study.' BMJ, 357, j2813. doi:10.1136/bmj.j2813. THE M-PATH STUDY, and the headline number for the article. 240 skin biopsy cases, five diagnostic classes from nevus or mild atypia up to at least pT1b invasive melanoma, pathologists from ten US states independently interpreting the same set ON TWO OCCASIONS AT LEAST EIGHT MONTHS APART. Phase 1, verbatim: '187 pathologists completed 8976 independent case interpretations resulting in an average of 10 (SD 4) different diagnostic terms applied to each case.' Ten different diagnostic terms applied to one slide is a quotable fact on its own. Phase 2: 'A total of 118 participants completed phase 2 in the glass format and were retained for intraobserver analyses.' INTRA-OBSERVER REPRODUCIBILITY, same pathologist, same glass slide, at least eight months later, verbatim with denominators: class I 77 per cent (1,155 of 1,506), CLASS II 35 PER CENT (227 of 644), class III 60 per cent (653 of 1,091), class IV 63 per cent (531 of 840), class V 83 per cent (852 of 1,031), given in the abstract to one decimal place as 76.7, 35.2, 59.5, 63.2 and 82.6 per cent. A pathologist shown the same slide of a moderately dysplastic nevus eight
[FULL TEXT READ at bmj.com, including the abstract, the Reproducibility of diagnoses section and the Accuracy of diagnoses section; Tables 3 and 4 are served as pop-ups and were NOT read. CAUTION: Crossref records a correction, BMJ 2017;358:j3798, doi:10.1136/bmj.j3798, published 8 August 2017, WHICH WAS NOT READ. Check what it amends before printing a specific figure] Elmore, J. G., Barnhill, R. L., Elder, D. E., Longton, G. M., Pepe, M. S., Reisch, L. M., Carney, P. A., Titus, L. J., Nelson, H. D., Onega, T., Tosteson, A. N. A., Weinstock, M. A., Knezevich, S. R., & Piepkorn, M. W. (2017). 'Pathologists' diagnosis of invasive melanoma and melanocytic proliferations: observer accuracy and reproducibility study.' BMJ, 357, j2813. doi:10.1136/bmj.j2813. THE M-PATH STUDY, and the headline number for the article. 240 skin biopsy cases, five diagnostic classes from nevus or mild atypia up to at least pT1b invasive melanoma, pathologists from ten US states independently interpreting the same set ON TWO OCCASIONS AT LEAST EIGHT MONTHS APART. Phase 1, verbatim: '187 pathologists completed 8976 independent case interpretations resulting in an average of 10 (SD 4) different diagnostic terms applied to each case.' Ten different diagnostic terms applied to one slide is a quotable fact on its own. Phase 2: 'A total of 118 participants completed phase 2 in the glass format and were retained for intraobserver analyses.' INTRA-OBSERVER REPRODUCIBILITY, same pathologist, same glass slide, at least eight months later, verbatim with denominators: class I 77 per cent (1,155 of 1,506), CLASS II 35 PER CENT (227 of 644), class III 60 per cent (653 of 1,091), class IV 63 per cent (531 of 840), class V 83 per cent (852 of 1,031), given in the abstract to one decimal place as 76.7, 35.2, 59.5, 63.2 and 82.6 per cent. A pathologist shown the same slide of a moderately dysplastic nevus eight
Written from the fULL TEXT READ at bmj.com, including the abstract, the Reproducibility of diagnoses section and the Accuracy of diagnoses section; Tables 3 and 4 are served as pop-ups and were NOT read. CAUTION: Crossref records a correction, BMJ 2017;358:j3798, doi:10.1136/bmj.j3798, published 8 August 2017, WHICH WAS NOT READ. Check what it amends before printing a specific figure.
What our sources record
Recorded when this source was checked, figures included, with page references and quotation marks removed.
diagnosis of invasive melanoma and melanocytic proliferations: observer accuracy and reproducibility study.' BMJ, 357, j2813. doi:10.1136/bmj.j2813