TABLE 5.
Comparison of mitotic counts between the consensus panel and combined participant assessments
| Combined | |||||||
|---|---|---|---|---|---|---|---|
| Participant assessments |
Participant agreement |
||||||
| MR < 1 | MR = 1 | MR > 1 | MR < 1 | MR = 1 | MR > 1 | ||
| Consensus | MR = 0 | 1069 | 149 | 37 | 85.2% | 11.9% | 2.9% |
| MR = 1 | 418 | 246 | 148 | 51.5% | 30.3% | 18.2% | |
| MR > 1 | 292 | 332 | 786 | 20.7% | 23.5% | 55.7% | |
|
Multiple mitoses | |||||||
|
Participant assessments |
Participant agreement |
||||||
| MR ≤ 1 | MR > 1 | MR ≤ 1 | MR > 1 | ||||
|
Reference: “Multiple” |
MR = {0,1} |
1719 |
266 |
86.6% |
13.4% |
||
| MR ≥ 2 | 624 | 837 | 42.7% | 57.3% | |||
|
Single mitosis | |||||||
| Participant assessments | Participant agreement | ||||||
| MR < 1 | MR ≥ 1 | MR < 1 | MR ≥ 1 | ||||
|
Reference: Current AJCCa |
MR = 0 |
1069 |
248 |
81.2% |
18.8% |
||
| MR ≥ 1 | 564 | 1565 | 26.5% | 73.5% | |||
a
Consensus stage based on the American Joint Committee on Cancer seventh edition cancer staging manual.