Table 2.
Analysis of radiomics features between low and high TIL levels.
| Radiomics features | Low TIL levels | High TIL levels | p-value |
|---|---|---|---|
| (<50%) | (>50%) | ||
| (n = 32) | (n = 11) | ||
| Uniformity (MLO) | |||
| Mean | 0.017 | 0.014 | 0.023 |
| Range | 0.009–0.027 | 0.009–0.025 | |
| Variance (CC) | |||
| Mean | 260,776.234 | 328,611.123 | 0.046 |
| Range | 69,059.883–638,614.685 | 129,976.869–592,881.928 | |
| GLCM correlation (MLO) | |||
| Mean | 0.959 | 0.967 | 0.020 |
| Range | 0.926–0.989 | 0.925–0.983 | |
| GLCM autocorrelation (CC) | |||
| Mean | 5,032.505 | 7,170.002 | 0.010 |
| Range | 1,367.669–8,852.751 | 3,287.865–10,759.123 | |
| GLDM low gray level emphasis (CC) | |||
| Mean | 0.00057 | 0.00038 | 0.041 |
| Range | 0.00019–0.0014 | 0.00014–0.00063 | |
| NGTDM contrast (MLO) | |||
| Mean | 0.133 | 0.180 | 0.090 |
| Range | 0.054–0.323 | 0.071–0.244 | |
CC, craniocaudal; GLCM, grayscale symbiosis matrix; GLDM, gray level difference matrix; MLO, mediolateral oblique; NGTDM, neighborhood gray-tone difference matrix; TIL, tumor-infiltrating lymphocyte.