Table 1 Comparison of clinical characteristics between low-risk and high-risk groups stratified by LODDS.
From: Log odds of positive lymph nodes as a prognostic marker in resectable triple negative breast cancer
Variable | Before propensity score matching | After propensity score matching | ||||
|---|---|---|---|---|---|---|
Low-risk, N = 12,273 (%) | High-risk, N = 6802 (%) | p value | Low-risk, N = 6375 (%) | High-risk, N = 6375 (%) | p value | |
Age, years | ||||||
20–39 | 1026 (8.4) | 489 (7.2) | < 0.001 | 446 (7.0) | 446 (7.0) | 0.973 |
40–64 | 7669 (62.5) | 4130 (60.7) | 3925 (61.6) | 3937 (61.8) | ||
65–79 | 3578 (29.2) | 2183 (32.1) | 2004 (31.4) | 1992 (31.2) | ||
Race | ||||||
White | 8802 (71.7) | 4962 (72.9) | 0.061 | 4669 (73.2) | 4681 (73.4) | 0.956 |
Black | 2395 (19.5) | 1232 (18.1) | 1150 (18.0) | 1137 (17.8) | ||
Others | 1076 (8.8) | 608 (8.9) | 556 (8.7) | 557 (8.7) | ||
Tumor size, mm | ||||||
0–20 | 6830 (55.7) | 3366 (49.5) | < 0.001 | 3305 (51.8) | 3288 (51.6) | 0.984 |
21–50 | 4738 (38.6) | 2829 (41.6) | 2569 (40.3) | 2587 (40.6) | ||
> 50 | 523 (4.3) | 484 (7.1) | 407 (6.4) | 409 (6.4) | ||
Unknown | 182 (1.5) | 123 (1.8) | 94 (1.5) | 91 (1.4) | ||
Tumor grade | ||||||
Low-grade | 2223 (18.1) | 1197 (17.6) | 0.616 | 1109 (17.4) | 1108 (17.4) | 0.806 |
High-grade | 9358 (76.2) | 5209 (76.6) | 4917 (77.1) | 4901 (76.9) | ||
Unknown | 692 (5.6) | 396 (5.8) | 349 (5.5) | 366 (5.7) | ||
Surgery | ||||||
BCS | 7150 (58.3) | 3951 (58.1) | 0.829 | 3925 (61.6) | 3892 (61.1) | 0.561 |
Mastectomy | 5123 (41.7) | 2851 (41.9) | 2450 (38.4) | 2483 (38.9) | ||
Adjuvant treatment | ||||||
None | 1916 (15.6) | 888 (13.1) | < 0.001 | 858 (13.5) | 867 (13.6) | 0.990 |
Chemotherapy | 4230 (34.5) | 1951 (28.7) | 1915 (30.0) | 1923 (30.2) | ||
RT | 1230 (10.0) | 606 (8.9) | 601 (9.4) | 602 (9.4) | ||
CRT | 4897 (39.9) | 3357 (49.4) | 3001 (47.1) | 2983 (46.8) | ||
