Table 4.
Dataset attribute values and frequencies for the 348 instances
| Benign(%) | Malignant(%) | Total(%) | |
|
| |||
| N | 230(66.09%) | 118(33.91%) | 348(100%) |
|
| |||
| Age | |||
|
| |||
| (0,35] | 12(5.22%) | 1(0.85%) | 13(3.74%) |
| (35,45] | 81(35.22%) | 8(6.78%) | 89(25.57%) |
| (45,55] | 58(25.22%) | 29(24.58%) | 87(25%) |
| (55,65] | 56(24.35%) | 29(24.58%) | 85(24.43%) |
| (65,100] | 23(10%) | 51(43.22%) | 74(21.26%) |
|
| |||
| Clockface location | |||
|
| |||
| 1.0 | 34(14.78%) | 16(13.56%) | 50(14.37%) |
| 2.0 | 15(6.52%) | 4(3.39%) | 19(5.46%) |
| 3.0 | 14(6.09%) | 7(5.93%) | 21(6.03%) |
| 4.0 | 12(5.22%) | 4(3.39%) | 16(4.6%) |
| 5.0 | 9(3.91%) | 1(0.85%) | 10(2.87%) |
| 6.0 | 24(10.43%) | 7(5.93%) | 31(8.91%) |
| 7.0 | 9(3.91%) | 6(5.08%) | 15(4.31%) |
| 8.0 | 10(4.35%) | 2(1.69%) | 12(3.45%) |
| 9.0 | 3(1.3%) | 5(4.24%) | 8(2.3%) |
| 10.0 | 13(5.65%) | 12(10.17%) | 25(7.18%) |
| 11.0 | 31(13.48%) | 24(20.34%) | 55(15.8%) |
| 12.0 | 39(16.96%) | 20(16.95%) | 59(16.95%) |
| C | 17(7.39%) | 10(8.47%) | 27(7.76%) |
|
| |||
| Mass shape | |||
|
| |||
| L | 32(13.91%) | 14(11.86%) | 46(13.22%) |
| O | 108(46.96%) | 26(22.03%) | 134(38.51%) |
| R | 41(17.83%) | 11(9.32%) | 52(14.94%) |
| X | 19(8.26%) | 56(47.46%) | 75(21.55%) |
|
| |||
| Mass margins1 | |||
|
| |||
| D | 92(40%) | 14(11.86%) | 106(30.46%) |
| I | 36(15.65%) | 35(29.66%) | 71(20.4%) |
| M | 6(2.61%) | 8(6.78%) | 14(4.02%) |
| S | 2(0.87%) | 29(24.58%) | 31(8.91%) |
| U | 45(19.57%) | 16(13.56%) | 61(17.53%) |
|
| |||
| Mass margins2 | |||
|
| |||
| D | 87(37.83%) | 13(11.02%) | 100(28.74%) |
| I | 38(16.52%) | 36(30.51%) | 74(21.26%) |
| M | 6(2.61%) | 8(6.78%) | 14(4.02%) |
| S | 2(0.87%) | 32(27.12%) | 34(9.77%) |
| U | 48(20.87%) | 13(11.02%) | 61(17.53%) |
|
| |||
| Mass margins worst | |||
|
| |||
| Circumscribed | 87(37.83%) | 13(11.02%) | 100(28.74%) |
| Indistinct | 38(16.52%) | 36(30.51%) | 74(21.26%) |
| Microlobulated | 6(2.61%) | 8(6.78%) | 14(4.02%) |
| Obscured | 48(20.87%) | 13(11.02%) | 61(17.53%) |
| Spiculated | 2(0.87%) | 32(27.12%) | 34(9.77%) |
|
| |||
| Side | |||
|
| |||
| L | 116(50.43%) | 44(37.29%) | 160(45.98%) |
| R | 114(49.57%) | 74(62.71%) | 188(54.02%) |
|
| |||
| Size | |||
|
| |||
| (0,5] | 21(9.13%) | 3(2.54%) | 24(6.9%) |
| (5,10] | 94(40.87%) | 45(38.14%) | 139(39.94%) |
| (10,15] | 56(24.35%) | 30(25.42%) | 86(24.71%) |
| (15,20] | 37(16.09%) | 19(16.1%) | 56(16.09%) |
| (20,200] | 21(9.13%) | 21(17.8%) | 42(12.07%) |
|
| |||
| Depth | |||
|
| |||
| A | 63(27.39%) | 29(24.58%) | 92(26.44%) |
| M | 94(40.87%) | 53(44.92%) | 147(42.24%) |
| P | 54(23.48%) | 29(24.58%) | 83(23.85%) |
|
| |||
| Quadrant | |||
|
| |||
| Lower Inner | 52(22.61%) | 21(17.8%) | 73(20.98%) |
| Lower Outer | 8(3.48%) | 5(4.24%) | 13(3.74%) |
| Upper Inner | 38(16.52%) | 21(17.8%) | 59(16.95%) |
| Upper Outer | 86(37.39%) | 57(48.31%) | 143(41.09%) |
|
| |||
| Breast composition | |||
|
| |||
| Almost entirely fat | 20(8.7%) | 30(25.42%) | 50(14.37%) |
| Extremely dense | 21(9.13%) | 3(2.54%) | 24(6.9%) |
| Heterogeneously dense | 104(45.22%) | 31(26.27%) | 135(38.79%) |
| Scattered fibroglandular densities |
85(36.96%) | 54(45.76%) | 139(39.94%) |
|
| |||
| Retro density | |||
|
| |||
| High | 25(10.87%) | 59(50%) | 84(24.14%) |
| Iso/low | 205(89.13%) | 59(50%) | 264(75.86%) |
|
| |||
| Density num | |||
|
| |||
| High | 30(13.04%) | 51(43.22%) | 81(23.28%) |
| Iso/low | 79(34.35%) | 20(16.95%) | 99(28.45%) |