Table 3. Matrix of correlation co-efficients (R) between independent variables (eccentricity, SCR, volume).
| Variables | Ecc | SCR | Vol | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max Blob: 0.35 | Max Blob: 0.4 | Max Blob: 0.45 | Weighted: 0.4 | Cutoff: 3 Deleted | Cutoff: 4 Deleted | Mod regular | Z score | Histology | MP-MRI: 0.6 | MP-MRI: 0.65 | MP-MRI: 0.7 | |||
| Ecc; Max Blob: 0.35 | 1 | 0.957 | 0.856 | 0.809 | −0.039 | −0.194 | −0.384 | −0.316 | −0.523 | −0.543 | −0.485 | −0.484 | ||
| Ecc; Max Blob: 0.40 | 0.957 | 1 | 0.924 | 0.786 | −0.115 | −0.281 | −0.466 | −0.416 | −0.48 | −0.523 | −0.463 | −0.459 | ||
| Ecc; Max Blob: 0.45 | 0.856 | 0.924 | 1 | 0.8 | −0.176 | −0.378 | −0.5 | −0.481 | −0.486 | −0.541 | −0.476 | −0.469 | ||
| Weighted: 0.4 | 0.809 | 0.8 | 0.786 | 1 | −0.014 | −0.416 | 0.181 | −0.353 | −0.331 | −0.439 | −0.35 | −0.408 | ||
| SCR; Cutoff; 3 Deleted | −0.039 | −0.115 | −0.176 | −0.014 | 1 | 0.716 | 0.39 | 0.39 | 0.187 | −0.227 | −0.2 | −0.044 | ||
| SCR; Cutoff; 4 Deleted | −0.194 | −0.281 | −0.378 | −0.263 | 0.716 | 1 | 0.683 | 0.606 | 0.079 | −0.209 | −0.2 | −0.149 | ||
| SCR; Mod regular | −0.384 | −0.466 | −0.5 | −0.181 | 0.39 | 0.683 | 1 | 0.757 | 0.179 | −0.026 | −0.026 | −0.118 | ||
| SCR; Z Score | −0.316 | −0.416 | 0.481 | −0.353 | 0.39 | 0.606 | 0.757 | 1 | 0.021 | −0.024 | −0.102 | −0.148 | ||
| Vol; Histology | −0.523 | −0.48 | −0.486 | −0.331 | 0.187 | 0.079 | 0.179 | 0.021 | 1 | 0.609 | 0.662 | 0.641 | ||
| Vol; MP-MRI: 0.60 | −0.543 | −0.523 | −0.541 | −0.439 | −0.227 | −0.209 | −0.026 | −0.024 | 0.609 | 1 | 0.965 | 0.887 | ||
| Vol; MP-MRI: 0.65 | −0.485 | −0.463 | −0.476 | −0.35 | −0.2 | −0.2 | −0.026 | −0.102 | 0.662 | 0.965 | 1 | 0.931 | ||
| Vol; MP-MRI: 0.70 | −0.484 | −0.459 | −0.469 | −0.408 | −0.044 | −0.149 | −0.118 | −0.148 | 0.641 | 0.887 | 0.931 | 1 | ||
SCR, signal to clutter ratio; Ecc, eccentricity; Vol, volume; Max Blob, largest blob; Weighted, weighted eccentricity; Cutoff, principal component filtering; 3 Deleted, 3 principal components deleted; 4 Delete, 4 principal components deleted; Mod Regular, modified regularization; MP-MRI, multi-parametric magnetic resonance imaging; R, correlation coefficient.