TABLE II.
Correlation of PCs (ones that Account for Largest Amount of Variance in Spectra) with %Adipose, %Fibrous, and %Ducts/Lobules Tissue Content
| Excitation λ | %Adipose | %Fibrous | %Duct/lobules | Variance accounted |
|---|---|---|---|---|
| 300 nm PC1 |
0.26 (p < 0.05) |
−0.32 (p < 0.005) |
Ø | 50.0% |
| 320 nm PC4 |
−0.38 (p < 0. 0005) |
0.30 (p < 0.005) |
0.40 (p<le-4) |
38.3% |
| 340 nm PC1 |
−0.53 (p<le-6) |
0.47 (p<le-5) |
0.36 (p < 5e-4) |
59.0% |
| 360 nm PC1 |
−0.51 (p<le-6) |
0.47 (P< le-5) |
0.28 (p<0.01) |
66.4% |
| 380 nm PC1 |
−0.32 (p < 0.005) |
0.31 (p < 0.005) |
Ø | 57.8% |
| 400 nm PC1 |
Ø | Ø | Ø | 95.5% |