Table A4.1 Minor discrepancy rates – as reported in Scenario 1 studies Study ID Population (N) Outcome Results n/N (%) SOFT TISSUE/ - - - SARCOMA Arbiser 2001 Cases of soft tissue lesions Number of cases with a provisional diagnosis 266/500 (53.2%) N=500 cases Minor discrepancy 20/266 (7.5%) Ray-Coquard 2012 Soft tissue or visceral sarcoma Number of cases with a provisional diagnosis 564/564 (100%) N=1463 casesa Partial concordance with initial diagnosisb (i.e. minor discrepancies) 263/564 (46.6%) Nature of major and minor discrepanciesc: 11/334 (3.3%) Subtype alone 104/334 (31.1%) Grade alone Histological type alone 89/334 (26.6%) Grade and subtype 114/334 (34.1%) Grade and histological type 16/334 (4.8%) DERMATOLOGY - - - Gaudi 2013 Dermatopathology Number of cases with a provisional diagnosis 354/405 (87.4%) N=405 casesd Minor discrepancy 121/354 (34.2%) Nature of minor discrepancies (as a proportion of cases with a provisional diagnosis): Minimal disagreements (e.g. errors in spelling) 10/354 (2.8%) Minor disagreementse 56/354 (15.8%) Defects in diagnosis with minimal effect on patient caref 55/354 (15.5%) Nature of minor discrepancies (as a proportion of total minor discrepancies): Minimal disagreements (e.g. errors in spelling) 10/121 (8.3%) Minor disagreementse 56/121 (46.3%) Defects in diagnosis with minimal effect on patient caref 55/121 (45.5%) van Dijk 2008 Cutaneous melanocytic lesions Number of cases with a provisional diagnosis 1217/1837 (66.2%) N=1837 Minor discrepancyg 350/1217 (28.8%)
Table A4.1 Minor discrepancy rates – as reported in Scenario 1 studies Study ID Population (N) Outcome Results n/N (%) SOFT TISSUE/ SARCOMA - - - Arbiser 2001 Cases of soft tissue lesions N=500 cases Number of cases with a provisional diagnosis Minor discrepancy 266/500 (53.2%) 20/266 (7.5%) Ray-Coquard 2012 Soft tissue or visceral sarcoma N=1463 casesa Number of cases with a provisional diagnosis Partial concordance with initial diagnosisb (i.e. minor discrepancies) Nature of major and minor discrepanciesc: Subtype alone Grade alone Histological type alone Grade and subtype Grade and histological type 564/564 (100%) 263/564 (46.6%) 11/334 (3.3%) 104/334 (31.1%) 89/334 (26.6%) 114/334 (34.1%) 16/334 (4.8%) DERMATOLOGY - - - Gaudi 2013 Dermatopathology N=405 casesd Number of cases with a provisional diagnosis Minor discrepancy Nature of minor discrepancies (as a proportion of cases with a provisional diagnosis): Minimal disagreements (e.g. errors in spelling) Minor disagreementse Defects in diagnosis with minimal effect on patient caref Nature of minor discrepancies (as a proportion of total minor discrepancies): Minimal disagreements (e.g. errors in spelling) Minor disagreementse Defects in diagnosis with minimal effect on patient caref 354/405 (87.4%) 121/354 (34.2%) 10/354 (2.8%) 56/354 (15.8%) 55/354 (15.5%) 10/121 (8.3%) 56/121 (46.3%) 55/121 (45.5%) van Dijk 2008 Cutaneous melanocytic lesions N=1837 Number of cases with a provisional diagnosis Minor discrepancyg 1217/1837 (66.2%) 350/1217 (28.8%)
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