Article Figures & Data
Tables
Characteristics Cases (n = 604) % Age (years) ≤ 50 309 51.16 > 50 295 48.84 BC family history No 481 79.64 Yes 123 20.36 BMI < 25 457 75.66 ≥ 25 126 20.86 Unknown 21 3.48 Discharge No 520 86.09 Yes 84 13.91 Tumor size on ultrasonography ≤ 2 cm 229 37.91 > 2 cm 331 54.80 Unknown 44 7.28 Calcification on mammography Yes 363 60.10 No 79 13.08 Unknown 162 26.82 BI-RADS 3 6 0.99 4A 27 4.47 4B 115 19.04 4C 275 45.53 5 163 26.99 Unknown 18 2.98 ER Negative 254 42.05 Positive 340 56.29 Unknown 10 1.66 HER2 Negative 281 46.52 Positive 313 51.82 Unknown 10 1.66 Ki67 ≤ 14% 136 22.51 > 14% 418 69.20 Unknown 50 8.29 Surgical methods Mastectomy 548 90.73 BCS 56 9.27 Axillary evaluation SLNB 513 84.93 ALND 91 15.07 Upstaging group DCIS 290 48.01 DCISM 121 20.03 IBC 193 31.95 BC, breast cancer; BMI, body mass index; ER, estrogen receptor; HER2, human epidermal growth factor receptor 2; BCS, breast conserving surgery; SLNB, sentinel lymph node biopsy; ALND, axillary lymph node dissection; DCIS, ductal carcinoma in situ; DCISM, ductal carcinoma in situ with microinvasion; IBC, invasive breast cancer.
Characteristics Cases of DCIS
(n = 290)% Cases of DCISM & IBC
(n = 314)% Univariate
P-valueMultivariate
OR (95% CI), PAge (years) 0.230 ≤ 50 141 48.62 168 53.50 > 50 149 51.38 146 46.50 BC family history 0.229 No 225 77.59 256 81.53 Yes 65 22.41 58 18.47 BMI 0.881 < 25 221 76.21 236 75.16 ≥ 25 60 20.69 66 21.02 Unknown 9 3.10 12 3.82 Discharge 0.210 No 255 87.93 265 84.39 Yes 35 12.07 49 15.61 Tumor size on ultrasonography 0.005 ≤ 2 cm 127 43.79 102 32.48 Ref > 2 cm 139 47.93 192 61.15 1.558 (1.094-2.218), 0.014 Unknown 24 8.28 20 6.37 Calcification on mammography 0.169 Yes 163 56.21 200 63.69 No 41 14.14 38 12.10 Unknown 86 29.66 76 24.20 BI-RADS 0.009 3 2 0.69 4 1.27 1.207 (0.211-6.912), 0.833 4A 13 4.48 14 4.46 0.568 (0.233-1.384), 0.213 4B 66 22.76 49 15.61 0.435 (0.259-0.733), 0.002 4C 142 48.97 133 42.36 0.502 (0.329-0.764), 0.001 5 59 20.34 104 33.12 Ref Unknown 8 2.76 10 3.18 DCIS, ductal carcinoma in situ; DCISM, ductal carcinoma in situ with microinvasion; IBC, invasive breast cancer; OR, odd ratio; CI, confidence interval; BC, breast cancer.
Characteristics Cases of DCIS
(n = 290)% Cases of IBC
(n = 193)% Univariate
P-valueMultivariate
OR (95% CI), PTumor size on ultrasonography 0.003 ≤ 2 cm 127 43.79 59 30.57 Ref > 2 cm 139 47.93 123 63.73 1.762 (1.167-2.659), 0.007 Unknown 24 8.28 11 5.70 BI-RADS 0.022 3 2 0.69 2 1.04 1.049 (0.139-7.906), 0.963 4A 13 4.48 9 4.66 0.506 (0.181-1.410), 0.193 4B 66 22.76 34 17.62 0.520 (0.292-0.926), 0.026 4C 142 48.97 75 38.86 0.459 (0.286-0.738), 0.001 5 59 20.34 66 34.20 Ref Unknown 8 2.76 7 3.63 DCIS, ductal carcinoma in situ; IBC, invasive breast cancer; OR, odd ratio; CI, confidence interval.