Table 2.
Critical predictors obtained by univariate logistic regression analysis.
| Features | All Patients, n(%) | ALN | ALN | P value |
|---|---|---|---|---|
| Negative, n (%) | Positive, n (%) | |||
| Age(y) | 47.00(23.00,88.00) | 47.00(23.00,86.00) | 46.00(25.00,88.00) | 0.130 |
| Quantity | <0.001 | |||
| Single | 437(83.56) | 229(43.79) | 208(39.77) | |
| Multiple | 86(16.44) | 27(5.16) | 59(11.28) | |
| Shape | 0.005 | |||
| Oval, round | 62(11.85) | 41(7.84) | 21(4.01) | |
| Irregular | 461(88.15) | 215(41.11) | 246(47.04) | |
| Orientation | <0.001 | |||
| Parallel | 333(63.67) | 195(37.29) | 138(26.38) | |
| Not parallel | 190(36.33) | 61(11.66) | 129(24.67) | |
| Margin contour | 0.044 | |||
| Smooth | 36(6.88) | 23(4.40) | 13(2.48) | |
| Lobulate | 84(16.06) | 44(8.41) | 40(7.65) | |
| Angular, Spiculate | 403(77.06) | 189(36.14) | 214(40.92) | |
| Margin | 0.849 | |||
| Circumscribed | 40(7.65) | 19(3.63) | 21(4.02) | |
| Not circumscribed | 483(92.35) | 237(45.32) | 246(47.03) | |
| Boundary | 0.828 | |||
| Abrupt interface | 261(49.90) | 129(24.67) | 132(25.23) | |
| Echogenic halo | 262(50.10) | 127(24.28) | 135(25.82) | |
| Main posterior echo | 0.002 | |||
| Enhancement | 9(1.72) | 7(1.34) | 2(0.38) | |
| Indifferent | 294(56.21) | 157(30.01) | 137(26.20) | |
| Shadowing | 220(42.07) | 92(17.59) | 128(24.48) | |
| Microcalcification | <0.001 | |||
| Absent | 228(43.59) | 134(25.62) | 94(17.97) | |
| Preserved | 295(56.41) | 122(23.33) | 173(33.08) | |
| Echogenicity pattern | 0.030 | |||
| Other echo | 17(3.25) | 13(2.49) | 4(0.76) | |
| Hypoechoic | 506(96.75) | 243(46.46) | 263(50.29) | |
| CDFI | <0.001 | |||
| Adler 0,1 | 192(36.71) | 122(23.32) | 70(13.39) | |
| Adler 2,3 | 331(63.29) | 134(25.62) | 197(37.67) | |
| US tumour size(mm) | 22,00(5.00,140.00) | 19.00(5.00,77.00) | 27.00(7.00,140.00) | <0.001 |
| ER | 0.668 | |||
| Negative | 171(32.70) | 86(16.45) | 85(16.25) | |
| Positive | 352(67.30) | 170(32.50) | 182(34.80) | |
| PR | 0.211 | |||
| Negative | 229(43.79) | 105(20.08) | 124(23.71) | |
| Positive | 294(56.21) | 151(28.87) | 143(27.34) | |
| HER-2 | 0.002 | |||
| Negative | 379(72.47) | 205(39.20) | 174(33.27) | |
| Positive | 144(27.53) | 51(9.75) | 93(17.78) | |
| Ki-67 | 0.121 | |||
| Negative | 159(30.40) | 86(16.44) | 73(13.96) | |
| Positive | 364(69.60) | 170(32.50) | 194(37.10) | |
| US of lymph node | <0.001 | |||
| No lymph nodes found | 214(40.92) | 165(31.55) | 49(9.37) | |
| Lymph nodes found | 309(59.08) | 91(17.40) | 218(41.68) | |
| Aspect ratio | <0.001 | |||
| No lymph nodes found | 220(42.07) | 165(31.55) | 55(10.52) | |
| Aspect ratio≥2 | 111(21.22) | 53(10.13) | 58(11.09) | |
| Aspect ratio<2 | 192(36.71) | 38(7.27) | 154(29.44) | |
| Cortical thickness | <0.001 | |||
| No lymph nodes found | 213(40.73) | 165(31.55) | 48(9.18) | |
| Thickness<3 mm | 118(22.56) | 82(15.68) | 36(6.88) | |
| Symmetric thickness≥3 mm | 19(3.63) | 2(0.38) | 17(3.25) | |
| Asymmetric thickness≥3 mm | 173(33.08) | 3(1.34) | 166(31.74) | |
| Central hilum | <0.001 | |||
| No lymph nodes found | 207(39.58) | 162(30.98) | 45(8.60) | |
| Preserved | 147(28.11) | 87(16.63) | 60(11.48) | |
| Partially absent | 70(13.38) | 5(0.96) | 65(12.42) | |
| Completely absent | 99(18.93) | 2(0.38) | 97(18.55) |