Skip to main content
. 2018 Apr 19;7(6):2753–2763. doi: 10.1002/cam4.1503

Table 3.

Pathological characteristics of the tumors

Characteristics Total (N = 15,389) Premenopausal (N = 8395) Postmenopausal (N = 6994) P value
N % N % N %
Tumor histology
Carcinoma in situ 801 5.20 413 4.92 388 5.55 0.053a
Invasive carcinoma 14,008 90.97 7712 91.86 6296 90.02
Missing data 580 3.77 270 3.22 310 4.43
Axillary lymph nodes metastasis
Yes 6584 42.76 3612 43.03 2972 42.49 0.914a
No 7210 46.82 3962 47.19 3248 46.44
Missing data 1595 10.36 821 9.78 774 11.07
No. of positive axillary lymph nodes
0 (N0) 7210 46.82 3962 47.19 3248 46.44 0.068a
1–3 (N1) 4125 26.79 2285 27.22 1840 26.31
4–9 (N2) 1572 10.21 877 10.45 695 9.94
≥10 (N3) 887 5.76 450 5.36 437 6.25
Missing data 1595 10.36 821 9.78 774 11.07
Lymphovascular invasion
Yes 270 1.75 155 1.85 115 1.64 0.099a
No 6873 44.64 3594 42.81 3279 46.88
Missing data 8246 53.55 4646 55.34 3600 51.47
Tumor grade
I 554 3.60 292 3.48 262 3.75 0.588a
II 5384 34.97 2776 33.07 2608 37.29
III 1893 12.29 1002 11.94 891 12.74
Uncertain 1546 10.04 785 9.35 761 10.88
Missing data 5988 38.89 3527 42.01 2461 35.19
ER+/PR+
Yes 7269 50.46 4236 40.43 2828 41.25 <0.0001a
No 7324 45.21 3795 53.35 3731 52.56
Missing data 796 4.34 364 6.22 435 6.19
ER+/PR−
Yes 1722 8.29 696 14.20 993 14.41 <0.0001a
No 12,871 87.21 7321 79.40 5553 79.40
Missing data 796 4.50 378 6.41 448 6.19
ER−/PR+
Yes 1722 5.28 443 3.33 233 14.41 <0.0001a
No 12,871 90.22 7574 90.26 6313 79.40
Missing data 796 4.50 378 6.41 448 6.19
ER−/PR−
Yes 4916 31.40 2636 35.72 2498 34.69 <0.0001a
No 9677 64.26 5395 58.06 4061 59.12
Missing data 796 4.34 364 6.22 435 6.19
HER2 status
Yes 2143 13.92 1132 13.48 1011 14.46 0.015a
No 8063 52.36 4496 53.56 3567 51.00
Uncertain 2475 16.07 1257 14.97 1218 17.41
Missing data 2708 17.59 1510 17.99 1198 17.13
Triple‐negative
Yes 2372 15.40 1279 15.24 1093 15.63 0.502a
No 13,017 84.54 7116 84.76 5901 84.37
P53 status
Yes 4213 27.36 2152 25.63 2061 29.47 <0.0001a
No 2304 14.96 1060 12.63 1244 17.79
Missing data 8872 57.62 5183 61.74 3689 52.75
Ki67
≥14 4772 30.99 2534 30.18 2238 32.00 0.715a
14 2712 17.61 1452 17.30 1260 18.02
Missing data 7905 51.34 4409 52.52 3496 49.99
ER status
Yes 8802 59.14 4965 54.86 3837 29.47 <0.0001a
No 5816 36.70 3081 39.10 2735 17.79
Missing data 771 4.16 349 6.03 422 52.75
PR status
Yes 4772 55.76 4681 43.78 3062 32.00 <0.0001a
No 2712 39.93 3352 50.03 3499 18.02
Missing data 7905 4.31 362 6.19 433 49.99
a

Chi‐square test.