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Table 2 Some characteristics of women with breast cancer according to their age at the time of diagnosis

From: Diagnosis, treatment characteristics, and survival of women with breast cancer aged 65 and above: a hospital-based retrospective study

  Age groups n (%) p-value
  <65 65-69 70-74 ≥75  
Comorbidity (n=686)      <0.001
No 437 (88.1) 49 (65.3) 40 (60.6) 28 (57.1)  
Yes 59 (11.9) 26 (34.7) 26 (39.4) 21 (42.9)  
Stage (n=906)      0.068
1 167 (24.3) 15 (17.0) 17 (21.8) 9 (17.3)  
2 313 (45.5) 42 (47.7) 35 (44.9) 24 (46.2)  
3 154 (22.4) 18 (20.5) 14 (17.9) 9 (17.3)  
4 54 (7.8) 13 (14.8) 12 (15.4) 10 (19.2)  
Histologic grade (n=740)      0.034
1 84 (14.9) 11 (16.4) 12 (18.2) 12 (27.9)  
2 249 (44.1) 35 (52.3) 29 (43.9) 24 (55.8)  
3 231 (41.0) 21 (31.3) 25 (37.9) 7 (16.3)  
Lenfovascular invasion (n=845)      0.161
No 133 (20.5) 21 (28.0) 9 (12.9) 10 (19.2)  
Yes 515 (79.5) 54 (72.0) 61 (87.1) 42 (80.8)  
Surgery (n=1002)      <0.001
No 20 (2.6) 9 (9.6) 9 (10.3) 11 (17.2)  
Yes 737 (97.4) 85 (90.4) 78 (89.7) 53 (82.8)  
Chemotherapy (n=818)      <0.001
No 112 (17.5) 18 (24.0) 30 (48.4) 27 (64.3)  
Yes 527 (82.5) 57 (76.0) 32 (51.6) 15 (35.7)  
Radiotherapy (n=791)      0.010
No 15 (2.4) 4 (5.6) 5 (8.3) 4 (9.3)  
Yes 601 (97.6) 68 (94.4) 55 (91.7) 39 (90.7)  
Hormonal therapy (n=697)      0.110
No 96 (18.0) 8 (13.1) 6 (10.5) 3 (6.7)  
Yes 438 (82.0) 53 (86.9) 51 (89.5) 42 (93.3)  
Recurrence (n=543)      0.246
No 380 (90.9) 44 (84.6) 38 (86.4) 28 (96.6)  
Yes 38 (9.1) 8 (15.4) 6 (13.6) 1 (3.4)  
Metastasis (n=604)      0.755
No 324 (69.7) 38 (66.7) 30 (62.5) 23 (67.6)  
Yes 141 (30.3) 19 (33.3) 18 (37.5) 11 (32.4)