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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)