Research Article
[Retracted] Effect of Previous Cancer History on Survival of Patients with Different Subtypes of Breast Cancer
Table 1
Characteristics of all included patients.
| | Variables | Total ( =35640) | Prior cancer history | Statistics | | | No ( =33602) | Yes ( =2038) |
| | Breast subtypes, (%) | | | | = 54.815 | <0.001 | | Triple negative | 3853 (10.81) | 3658 (10.89) | 195 (9.57) | | | | HER2 positive | 24754 (69.46) | 23197 (69.03) | 1557 (76.40) | | | | Luminal A | 2406 (6.75) | 2318 (6.90) | 88 (4.32) | | | | Luminal B | 4627 (12.98) | 4429 (13.18) | 198 (9.72) | | | | Age, years, (%) | | | | = 696.118 | <0.001 | | 18-40 | 2778 (7.79) | 2734 (8.14) | 44 (2.16) | | | | 40-65 | 20322 (57.02) | 19590 (58.30) | 732 (35.92) | | | | ≥65 | 12540 (35.19) | 11278 (33.56) | 1262 (61.92) | | | | Race, (%) | | | | = 136.469 | <0.001 | | Blacks | 4442 (12.46) | 4251 (12.65) | 191 (9.37) | | | | Hispanics | 4354 (12.22) | 4195 (12.48) | 159 (7.80) | | | | Whites | 23294 (65.36) | 21722 (64.64) | 1572 (77.13) | | | | Others | 3550 (9.96) | 3434 (10.22) | 116 (5.69) | | | | Marital, (%) | | | | = 187.292 | <0.001 | | Married | 18048 (50.64) | 17132 (50.99) | 916 (44.95) | | | | Separated/divorced | 4038 (11.33) | 3812 (11.34) | 226 (11.09) | | | | Single | 6023 (16.90) | 5766 (17.16) | 257 (12.61) | | | | Widowed | 4741 (13.30) | 4275 (12.72) | 466 (22.87) | | | | Unknown | 2790 (7.83) | 2617 (7.79) | 173 (8.49) | | | | Grade, (%) | | | | = 45.520 | <0.001 | | I | 5749 (16.13) | 5368 (15.98) | 381 (18.69) | | | | II | 14079 (39.50) | 13250 (39.43) | 829 (40.68) | | | | III | 11541 (32.38) | 11002 (32.74) | 539 (26.45) | | | | IV | 155 (0.43) | 150 (0.45) | 5 (0.25) | | | | Unknown | 4116 (11.55) | 3832 (11.40) | 284 (13.94) | | | | ER, (%) | | | | = 26.880 | <0.001 | | Negative | 6636 (18.62) | 6345 (18.88) | 291 (14.28) | | | | Positive | 29004 (81.38) | 27257 (81.12) | 1747 (85.72) | | | | PR, (%) | | | | = 3.949 | 0.139 | | Negative | 10514 (29.50) | 9952 (29.62) | 562 (27.58) | | | | Positive | 24955 (70.02) | 23490 (69.91) | 1465 (71.88) | | | | Unknown | 171 (0.48) | 160 (0.48) | 11 (0.54) | | | | T stage, (%) | | | | = 80.042 | <0.001 | | T1 | 14455 (40.56) | 13533 (40.27) | 922 (45.24) | | | | T2 | 9833 (27.59) | 9253 (27.54) | 580 (28.46) | | | | T3 | 3304 (9.27) | 3177 (9.45) | 127 (6.23) | | | | T4 | 4054 (11.37) | 3914 (11.65) | 140 (6.87) | | | | Unknown | 3994 (11.21) | 3725 (11.09) | 269 (13.20) | | | | N stage, (%) | | | | = 94.441 | <0.001 | | N1 | 17970 (50.42) | 16750 (49.85) | 1220 (59.86) | | | | N2 | 10705 (30.04) | 10231 (30.45) | 474 (23.26) | | | | N3 | 3011 (8.45) | 2879 (8.57) | 132 (6.48) | | | | N4 | 2370 (6.65) | 2268 (6.75) | 102 (5.00) | | | | Unknown | 3994 (11.21) | 3725 (11.09) | 269 (13.20) | | | | Radiation, (%) | | | | = 37.418 | <0.001 | | No | 23356 (65.53) | 21893 (65.15) | 1463 (71.79) | | | | Yes | 12284 (34.47) | 11709 (34.85) | 575 (28.21) | | | | Chemotherapy, (%) | | | | = 220.064 | <0.001 | | No | 19145 (53.72) | 17726 (52.75) | 1419 (69.63) | | | | Yes | 16495 (46.28) | 15876 (47.25) | 619 (30.37) | | | | Surgery, (%) | | | | = 3.579 | 0.059 | | No | 6725 (18.87) | 6308 (18.77) | 417 (20.46) | | | | Yes | 28915 (81.13) | 27294 (81.23) | 1621 (79.54) | | | | Regional nodes positive, (%) | | | | = 0.038 | 0.845 | | No | 15236 (42.75) | 14369 (42.76) | 867 (42.54) | | | | Yes | 20404 (57.25) | 19233 (57.24) | 1171 (57.46) | | | | Status, (%) | | | | = 111.988 | <0.001 | | Alive | 29387 (82.46) | 27883 (82.98) | 1504 (73.80) | | | | Dead | 6253 (17.54) | 5719 (17.02) | 534 (26.20) | | | | Survival months, M (Q1, Q3) | 27.00 (11.00,47.00) | 27.00 (11.00,47.00) | 25.00 (10.00,43.00) | = -3.893 | <0.001 |
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Note: HER2: human epidermal growth factor receptor 2; ER: estrogen receptor; PR: progesterone receptor.
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