Table 3.
Spearman’s correlation coefficients evaluating the relationship of each shape feature with tumor complexity.
| M1 | M2 | M3 | ||||
|---|---|---|---|---|---|---|
| r (95% CI) | p-value* | r (95% CI) | p-value* | r (95% CI) | p-value* | |
| Surface Area | −0.98 (−0.992–0.960) | p < 10-4 | −0.98 (−0.990–0.952) | p < 10-4 | −0.98 (−0.992–0.962) | p < 10-4 |
| Surface-to-Volume | −0.98 (−0.992–0.960) | p < 10-4 | −0.98 (−0.990–0.952) | p < 10-4 | −0.98 (−0.992–0.962) | p < 10-4 |
| Compactness1 | 0.98 (0.960–0.991) | p < 10-4 | 0.98 (0.952–0.990) | p < 10-4 | 0.98 (0.961–0.992) | p < 10-4 |
| Compactness2 | 0.98 (0.960–0.991) | p < 10-4 | 0.98 (0.952–0.990) | p < 10-4 | 0.98 (0.961–0.992) | p < 10-4 |
| Compactness3 | 0.98 (0.960–0.991) | p < 10-4 | 0.98 (0.952–0.990) | p < 10-4 | 0.98 (0.961–0.992) | p < 10-4 |
| Spherical Disproportion | −0.98 (−0.992–0.960) | p < 10-4 | −0.98 (−0.990–0.952) | p < 10-4 | −0.98 (−0.992–0.962) | p < 10-4 |
| Sphericity | 0.98 (0.960–0.991) | p < 10-4 | 0.98 (0.952 –0.990) | p < 10-4 | 0.98 (0.961–0.992) | p < 10-4 |
| Fractional Concavity | 0.94 (0.882–0.975) | p < 10-4 | 0.83 (0.661–0.921) | p < 10-4 | 0.96 (0.920–0.983) | p < 10-4 |
*p-values: Surface Area, Surface-to-Volume, Compactness 1, Compactness 2, Compactness 3, Spherical Disproportion, Sphericity M1: 2.2.10-16, M2: 2.2.10-16, M3: 2.2.10-16, Fractional Concavity M1: 1.2.10-13, M2: 7.44.10-8, M3: 8.4.10-16.