Table 1.
Descriptive statistics of annotated image patches and analysis subsets.
| Tissue Type | ADC | SqCC | SCLC | Skeletal Muscle | Overall Sum |
|---|---|---|---|---|---|
| Overall Analysis set, 100% of Cases | |||||
| Cases, n | 80 | 80 | 80 | 30 | |
| Image patches, n | |||||
| Sum | 4505 | 3695 | 2075 | 2152 | 12,427 |
| Minimum | 11 | 11 | 3 | 23 | |
| Maximum | 165 | 128 | 92 | 137 | |
| Mean | 56 | 46 | 26 | 72 | |
| Median | 51 | 43 | 23 | 73 | |
| Training Set, 60% of Cases | |||||
| Cases, n | 48 | 48 | 49 | 18 | |
| Image patches, n | |||||
| Sum | 2686 | 2108 | 1253 | 1298 | 7345 |
| Minimum | 11 | 13 | 3 | 37 | |
| Maximum | 165 | 95 | 92 | 131 | |
| Mean | 56 | 44 | 26 | 72 | |
| Median | 54 | 43 | 22 | 73 | |
| Validation Set, 20% of Cases | |||||
| Cases, n | 16 | 16 | 15 | 6 | |
| Image patches, n | |||||
| Sum | 871 | 845 | 437 | 479 | 2632 |
| Minimum | 15 | 11 | 4 | 37 | |
| Maximum | 136 | 128 | 65 | 137 | |
| Mean | 54 | 53 | 29 | 80 | |
| Median | 46 | 48 | 28 | 72 | |
| Test Set, 20% of Cases | |||||
| Cases, n | 16 | 16 | 16 | 6 | |
| Image patches, n | |||||
| Sum | 948 | 742 | 385 | 375 | 2450 * |
| Minimum | 13 | 19 | 4 | 23 | |
| Maximum | 115 | 76 | 56 | 87 | |
| Mean | 59 | 46 | 24 | 63 | |
| Median | 55 | 41 | 23 | 70 | |
* Two image patches were removed at random to ensure divisibility by the batch size of 16 (16 × 153 = 2448). ADC: adenocarcinoma; SqCC: squamous cell carcinoma; SCLC: small-cell lung cancer.