Table 5.
Univariate Logistic Regression Models by Patient and Lesion Characteristics for the Common Cases
| iCAD | R2 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DG | SF | DG | SF | ||||||||||
| OR | 95% CI(OR) | p-value | OR | 95% CI(OR) | p-value | OR | 95% CI(OR) | p-value | OR | 95% CI(OR) | p-value | ||
| AGE(years) | |||||||||||||
| Age<50 | 50≤Age≤64 | 0.92 | (0.36, 2.35) | 0.8570 | 1.55 | (0.64, 3.78) | 0.3323 | 0.71 | (0.26, 1.99) | 0.5196 | 1.41 | (0.61, 3.29) | 0.4246 |
| Age≥65 | 1.29 | (0.45, 3.68) | 0.6354 | 1.12 | (0.44, 2.89) | 0.8087 | 0.58 | (0.20, 1.72) | 0.3281 | 1.43 | (0.57, 3.57) | 0.4466 | |
| 50≤Age≤64 | Age≥65 | 1.41 | (0.62, 3.21) | 0.4184 | 0.72 | (0.34, 1.55) | 0.4064 | 0.82 | (0.37, 1.79) | 0.6121 | 1.01 | (0.49, 2.09) | 0.9752 |
| BREAST DENSITY | |||||||||||||
| Dense | Fatty | 0.82 | (0.40, 1.66) | 0.5736 | 1.22 | (0.63, 2.38) | 0.5600 | 0.72 | (0.35, 1.46) | 0.3570 | 1.02 | (0.54, 1.92) | 0.9520 |
| MENOPAUSAL STATUS | |||||||||||||
| Pre/Peri | Post | 1.13 | (0.52, 2.50) | 0.7536 | 1.45 | (0.69, 3.05) | 0.3204 | 0.96 | (0.43, 2.15) | 0.9259 | 1.87 | (0.92, 3.79) | 0.0852 |
| HISTOLOGY | |||||||||||||
| DCIS | Invasive | 1.00 | (0.46, 2.18) | 1.0000 | 1.91 | (0.93, 3.91) | 0.0776 | 1.00 | (0.46, 2.18) | 1.0000 | 0.85 | (0.42, 1.72) | 0.6469 |
| TUMOR SIZE(mm) | |||||||||||||
| Size≤5 | 5<Size≤10 | 1.15 | (0.33, 3.98) | 0.8255 | 0.66 | (0.19, 2.30) | 0.5108 | 1.67 | (0.45, 6.12) | 0.4413 | 1.34 | (0.44, 4.06) | 0.6095 |
| Size>10 | 1.22 | (0.41, 3.65) | 0.7177 | 0.77 | (0.25, 2.37) | 0.6435 | 1.22 | (0.41, 3.65) | 0.7176 | 2.20 | (0.82, 5.93) | 0.1193 | |
| 5<Size≤10 | Size>10 | 1.06 | (0.40, 2.82) | 0.9007 | 1.17 | (0.47, 2.91) | 0.7413 | 0.73 | (0.26, 2.09) | 0.5626 | 1.65 | (0.69, 3.92) | 0.2591 |
| LESION TYPE | |||||||||||||
| Mass | Asym Density | 0.44 | (0.13, 1.55) | 0.2029 | 1.33 | (0.33, 5.45) | 0.6890 | 0.38 | (0.11, 1.34) | 0.1340 | 2.42 | (0.60, 9.75) | 0.2153 |
| Calcification | 2.22 | (0.94, 5.25) | 0.0686 | 1.22 | (0.56, 2.66) | 0.6131 | 1.91 | (0.80, 4.57) | 0.1431 | 2.21 | (1.04, 4.70) | 0.0384* | |
| Arch Distortion | 3.11 | (0.36, 26.99) | 0.3032 | 0.74 | (0.16, 3.40) | 0.6997 | 1.15 | (0.21, 6.23) | 0.8721 | 1.34 | (0.30, 6.09) | 0.7026 | |
| Asym Density | Calcification | 5.00 | (1.34, 18.71) | 0.0168* | 0.92 | (0.22, 3.82) | 0.9049 | 5.00 | (1.34, 18.71) | 0.0168* | 0.92 | (0.22, 3.82) | 0.9051 |
| Arch Distortion | 7.00 | (0.65, 75.73) | 0.1093 | 0.56 | (0.08, 3.86) | 0.5522 | 3.00 | (0.42, 21.30) | 0.2719 | 0.56 | (0.08, 3.86) | 0.5525 | |
| Calcification | Arch Distortion | 1.40 | (0.15, 12.67) | 0.7647 | 0.61 | (0.13, 2.83) | 0.5242 | 0.60 | (0.11, 3.41) | 0.5647 | 0.61 | (0.13, 2.83) | 0.5244 |
OR: odds ratio