No radiotherapy | Radiotherapy | p- value | ||||
---|---|---|---|---|---|---|
Right | Left | Right | Left | |||
Age (years) | Mean | 58.1 | 58.4 | 54.5 | 54.8 | < 0.001 |
S.D. | 13.2 | 13.2 | 11.6 | 11.4 | ||
IMD quintile | 1 | 1027 (21.9%) | 1045 (20.8%) | 1338 (24.6%) | 1371 (24.0%) | < 0.001 |
2 | 932 (19.9%) | 1066 (21.2%) | 1135 (20.9%) | 1183 (20.7%) | ||
3 | 890 (19.0%) | 928 (18.4%) | 1023 (18.8%) | 1095 (19.2%) | ||
4 | 979 (20.9%) | 1072 (21.3%) | 1007 (18.5%) | 1042 (18.3%) | ||
5 | 760 (16.2%) | 843 (16.8%) | 871 (16.0%) | 936 (16.4%) | ||
N/K | 106 (2.3%) | 78 (1.6%) | 67 (1.2%) | 77 (1.4%) | ||
Stage | 1 | 2557 (54.5%) | 2651 (52.7%) | 2677 (49.2%) | 2758 (48.4%) | < 0.001 |
2 | 316 (6.7%) | 331 (6.6%) | 566 (10.4%) | 553 (9.7%) | ||
3 | 523 (11.1%) | 554 (11.0%) | 1016 (18.7%) | 1071 (18.8%) | ||
4 | 103 (2.2%) | 105 (2.1%) | 89 (1.6%) | 92 (1.6%) | ||
N/K | 1195 (25.5%) | 1391 (27.6%) | 1093 (20.1%) | 1230 (21.6%) | ||
Chemotherapy | No | 4457 (95.0%) | 4804 (95.5%) | 5180 (95.2%) | 5443 (95.4%) | 0.602 |
Yes | 237 (5.0%) | 228 (4.5%) | 261 (4.8%) | 261 (4.6%) | ||
Hormone Therapy | No | 3445 (73.6%) | 3785 (75.2%) | 3904 (71.8%) | 4127 (72.4%) | < 0.001 |
Yes | 1239 (26.4%) | 1247 (24.8%) | 1537 (28.2%) | 1577 (27.6%) | ||
Follow-up (years) | Mean | 20.31 | 20.46 | 19.26 | 19.19 | < 0.001 |
S.D. | 5.45 | 5.50 | 5.02 | 4.97 | ||
Median | 19.57 | 19.73 | 17.94 | 17.86 | < 0.001 | |
Total cases | 4694 | 5032 | 5441 | 5704 |