Table 2.
Number (and proportion) of successful interpretations within each of the 4 phases of the interpretive process, as a function of consensus diagnosis and participant experience level
| Interpretive phase | Expert consensus diagnostic category of the case | Trainees | Attending pathologists | All participants |
|---|---|---|---|---|
| Detecting critical region | Benign without atypia | NA (94 [80%]) | NA (28 [88%]) | NA (122 [81%]) |
| Atypia | 232 (98%) | 62 (97%) | 294 (98%) | |
| Low-grade DCIS | 229 (94%) | 63 (97%) | 292 (94%) | |
| High-grade DCIS | 110 (93%) | 30 (88%) | 140 (92%) | |
| Invasive carcinoma | 128 (100%) | 36 (100%) | 164 (100%) | |
| Recognizing relevance | Benign without atypia | NA (36 [31%]) | NA (12 [38%]) | NA (48 [32%]) |
| Atypia | 164 (69%) | 53 (83%) | 217 (72%) | |
| Low-grade DCIS | 178 (73%) | 57 (88%) | 235 (76%) | |
| High-grade DCIS | 71 (60%) | 25 (74%) | 96 (63%) | |
| Invasive carcinoma | 103 (80%) | 28 (78%) | 131 (80%) | |
| Describing features | Benign without atypia | NA (90 [76%]) | NA (27 [84%]) | NA (117 [78%]) |
| Atypia | 121 (51%) | 48 (75%) | 169 (56%) | |
| Low-grade DCIS | 143 (59%) | 49 (75%) | 192 (62%) | |
| High-grade DCIS | 30 (25%) | 24 (71%) | 54 (36%) | |
| Invasive carcinoma | 118 (92%) | 35 (97%) | 153 (93%) | |
| Diagnostic decisions | Benign without atypia | NA (104 [88%]) | NA (29 [91%]) | NA (133 [89%]) |
| Atypia | 52 (22%) | 32 (50%) | 84 (28%) | |
| Low-grade DCIS | 57 (22%) | 18 (28%) | 75 (24%) | |
| High-grade DCIS | 7 (6%) | 11 (32%) | 18 (12%) | |
| Invasive carcinoma | 122 (95%) | 36 (100%) | 158 (96%) |
DCIS, ductal carcinoma in situ; NA, not applicable.