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