Table 2 Distribution of tumor grades in slides with Nottingham grade across training, validation, and test sets
From: Predicting Nottingham grade in breast cancer digital pathology using a foundation model
Patient characteristics | Train | Validation | Test | p-value |
|---|---|---|---|---|
N | 314 | 103 | 104 | |
Tumor grade (n (%)) | 1.00 | |||
grade 1(3–5 points) | 42(13) | 14(14) | 14(14) | |
grade 2(6–7 points) | 145(47) | 48(46) | 48(46) | |
grade 3(8–9 points) | 127(40) | 41(40) | 42(40) | |