Table 2 Vital status, prognostic factors and treatment
From: Breast density and mode of detection in relation to breast cancer specific survival: a cohort study
Factor | Category | Alive (n = 496) | Dead breast cancer (n = 76) | Dead other cause (n = 47) | All (n = 619) |
|---|---|---|---|---|---|
Number (column percent) | |||||
Tumour size (mm) | ≤10 | 160 (32.3) | 1 (1.3) | 13 (27.7) | 174 (28.1) |
>10- ≤20 | 225 (45.4) | 31 (40.8) | 17 (36.2) | 273 (44.1) | |
>20 | 109 (22.0) | 44 (57.9) | 17 (36.2) | 170 (27.5) | |
Unknown | 2 (0.4) | 0 (0.0) | 0 (0.0) | 2 (0.3) | |
Axillary lymph node status (ALNI) | Negative | 371 (74.8) | 28 (36.8) | 37 (78.7) | 436 (70.4) |
Positive | 124 (25.0) | 48 (63.2) | 10 (21.3) | 182 (29.4) | |
Unknown | 1 (0.2) | 0 (0.0) | 0 (0.0) | 1 (0.2) | |
Nottingham grade | I | 152 (30.6) | 7 (9.2) | 14 (29.8) | 173 (27.9) |
II | 249 (50.2) | 27 (35.5) | 20 (42.6) | 296 (47.8) | |
III | 91 (18.3) | 42 (55.3) | 12 (25.5) | 145 (23.4) | |
Unknown | 4 (0.8) | 0 (0.0) | 1 (2.1) | 5 (0.8) | |
Estrogen receptor status (ER) | Negative | 47 (9.5) | 19 (25.0) | 5 (10.6) | 71 (11.5) |
Positive | 394 (79.4) | 53 (69.7) | 40 (85.1) | 487 (78.7) | |
Unknown | 55 (11.1) | 4 (5.3) | 2 (4.3) | 61 (9.9) | |
Progesterone receptor status (PgR) | Negative | 182 (36.7) | 44 (57.9) | 26 (55.3) | 252 (40.7) |
Positive | 201 (40.5) | 22 (28.9) | 14 (29.8) | 237 (38.3) | |
Unknown | 113 (22.8) | 10 (13.2) | 7 (14.9) | 130 (21.0) | |
Type of surgery | Mastectomy | 182 (36.7) | 48 (63.2) | 19 (40.4) | 249 (40.2) |
Sector-resection | 311 (62.7) | 28 (36.8) | 28 (59.6) | 367 (59.3) | |
Unknown | 3 (0.6) | 0 (0.0) | 0 (0.0) | 3 (0.5) | |
Axillary dissection | No | 48 (9.7) | 1 (1.3) | 7 (14.9) | 56 (9.0) |
Yes | 280 (56.5) | 63 (82.9) | 33 (70.2) | 376 (60.7) | |
Single node | 2 (0.4) | 0 (0.0) | 0 (0.0) | 2 (0.3) | |
Sentinel node | 162 (32.7) | 11 (14.5) | 6 (12.8) | 179 (28.9) | |
Unknown | 4 (0.8) | 1 (1.3) | 1 (2.1) | 6 (1.0) | |
Antihormonal treatment | No | 245 (49.4) | 33 (43.4) | 28 (59.6) | 306 (49.4) |
Yes | 242 (48.8) | 42 (55.3) | 19 (40.4) | 303 (48.9) | |
Unknown | 9 (1.8) | 1 (1.3) | 0 (0.0) | 10 (1.6) | |
Chemotherapy | No | 380 (76.6) | 51 (67.1) | 42 (89.4) | 473 (76.4) |
Yes | 57 (11.5) | 23 (30.3) | 3 (6.4) | 83 (13.4) | |
Unknown | 59 (11.9) | 2 (2.6) | 2 (4.3) | 63 (10.2) | |
Radiotherapy | No | 172 (34.7) | 27 (35.5) | 23 (48.9) | 222 (35.9) |
Yes | 269 (54.2) | 47 (61.8) | 22 (46.8) | 338 (54.6) | |
Unknown | 55 (11.1) | 2 (2.6) | 2 (4.3) | 59 (9.5) | |