Table 3 Treatment patterns in older breast cancer patients
Treatment | Total | Older group | Elderly group | P |
|---|---|---|---|---|
N (%) | N (%) | N (%) | ||
Surgery (n = 1094) a |  |  |  | 0.288 |
 Yes | 1043 (95.3) | 884 (95.1) | 159 (97.0) |  |
 No | 51 (4.7) | 46 (4.9) | 5 (3.0) |  |
Adjuvant chemotherapy (n = 1043) b |  |  |  | < 0.001 |
 Yes | 717 (68.7) | 660 (74.7) | 57 (35.8) |  |
 No | 326 (31.3) | 224 (25.3) | 102 (64.2) |  |
Neoadjuvant chemotherapy (n = 734) b |  |  |  | 0.063 |
 Yes | 90 (12.3) | 83 (13.2) | 7 (6.7) |  |
 No | 644 (87.7) | 547 (86.8) | 97 (93.3) |  |
Radiotherapy (n = 453) b |  |  |  | 0.006 |
 Yes | 134 (29.6) | 126 (31.8) | 8 (14.0) |  |
 No | 319 (70.4) | 270 (68.2) | 49 (86.0) |  |
Endocrine therapy in HR+ patients (n = 732) b |  |  |  | 0.978 |
 Yes | 599 (81.8) | 505 (81.8) | 94 (81.7) |  |
 No | 133 (18.2) | 112 (18.2) | 21 (18.3) |  |
Anti-HER2 therapy in HER2+ patients (n = 143) b |  |  |  | 0.609 |
 Yes | 53 (37.1) | 48 (37.8) | 5 (31.3) |  |
 No | 90 (62.9) | 79 (62.2) | 11 (68.8) |  |