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. 2024 Dec 30;36(6):729–741. doi: 10.21147/j.issn.1000-9604.2024.06.10

Table S2. Clinicopathological information of excluded patients.

Characteristics n (%) P
Included patients (N=2,141) Excluded patients (N=1,338)
IDC, invasive ductal carcinoma; NA, not available; ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal receptor 2.
Age (year) 0.292
 <50 1,028 (48.01) 667 (49.85)
 ≥50 1,113 (51.99) 671 (50.15)
Menstruation 0.490
 Pre-menopausal 1,149 (53.67) 702 (52.47)
 Post-menopausal 992 (46.33) 636 (47.53)
Histology <0.001
 IDC 2,032 (94.91) 1,210 (90.43)
 Non-IDC 109 (5.09) 128 (9.57)
Grade <0.001
 I 327 (15.27) 186 (13.90)
 II 1,264 (59.04) 631 (47.16)
 III 550 (25.69) 101 (7.55)
 NA 0 (0) 420 (31.39)
ER 0.721
 Negative 678 (31.67) 300 (22.42)
 Positive 1,463 (68.33) 667 (49.85)
 NA 0 (0) 371 (27.73)
PR <0.001
 Negative 832 (38.86) 296 (22.12)
 Positive 1,309 (61.14) 671 (50.15)
 NA 0 (0) 371 (27.73)
Ki67 0.062
 <14% 261 (12.19) 90 (6.73)
 ≥14% 1,858 (86.78) 815 (60.91)
 NA 22 (1.03) 433 (32.36)
HER2 0.199
 HER2-zero 433 (20.22) 178 (13.30)
 HER2-low 995 (46.47) 381 (28.48)
 HER2-positive 713 (33.30) 321 (23.99)
 NA 22 (1.03) 458 (34.23)