Table 1 The brief descriptions and quantization of features used in this study
Feature | Brief description | Quantization |
|---|---|---|
X1 | Age | <=40: 1; > 40: 2 |
X2 | Locality | unilateral: 1; bilateral: 2 |
X3 | Boundary | clear: 1; not clear: 2; obscure: 3 |
X4 | Calcification | no: 1; yes: 2 |
X5 | Cystic | no: 1; yes: 2 |
X6 | Nucleus/cytoplasm ratio(N/C) | low: 1; medium: 2; high: 3 |
X7 | Nucleolus size | small: 1; big: 2 |
X8 | Nucleolus number | Single: 1; Multi: 2 |
X9 | Cell density | low: 1; medium: 2; high: 3 |
X10 | Presence of fiber focal | no: 1:; yes: 2 |
X11 | Inflammatory cell infiltration | few: 1; more: 2; many: 3 |
X12 | Infiltration of the gland | no: 1; yes: 2 |
X13 | Perineural invasion | no: 1; yes: 2 |
X14 | Glands clearance around | no: 1; yes: 2 |