Characteristics of patients with breast cancer
| Characteristic . | Patients (n = 13 202) . | Patients with VTE (n = 611) . | ||
|---|---|---|---|---|
| No. . | % . | No. . | % . | |
| Cancer stage | ||||
| Local disease | 5 037 | 38.2 | 214 | 4.3 |
| Regional disease | 2 961 | 22.4 | 161 | 5.4 |
| Distant metastases | 470 | 3.6 | 21 | 4.5 |
| Unknown | 4 734 | 35.9 | 215 | 4.5 |
| Grade | ||||
| Well differentiated | 1 681 | 12.7 | 71 | 4.2 |
| Moderately differentiated | 4 232 | 32.1 | 196 | 4.6 |
| Poorly differentiated | 3 024 | 22.9 | 166 | 5.5 |
| Unknown | 4 265 | 32.3 | 178 | 4.2 |
| Age (years) | ||||
| <40 | 715 | 5.4 | 21 | 2.9 |
| 40-49 | 2 030 | 15.4 | 63 | 3.1 |
| 50-59 | 3 262 | 24.7 | 108 | 3.3 |
| 60-69 | 2 973 | 22.5 | 179 | 6.0 |
| 70-79 | 2 407 | 18.2 | 158 | 6.6 |
| ≥80 | 1 815 | 13.8 | 82 | 4.5 |
| Comorbidity | ||||
| 0 | 6 987 | 52.9 | 295 | 4.2 |
| 1 to 3 | 5 860 | 44.4 | 293 | 5.0 |
| ≥4 | 355 | 2.7 | 23 | 6.5 |
| Body mass index (kg/m2) | ||||
| Underweight (<18.5) | 192 | 1.5 | 4 | 2.1 |
| Ideal (18.5-24.9) | 3 099 | 23.5 | 93 | 3.0 |
| Overweight (25.0-29.9) | 2 520 | 19.1 | 148 | 5.9 |
| Obese (30.0-39.9) | 1 119 | 8.5 | 73 | 6.5 |
| Morbidly obese (≥40.0) | 440 | 3.3 | 38 | 8.6 |
| Missing | 5 832 | 44.2 | 255 | 4.4 |
| Surgery | ||||
| No | 3 093 | 23.4 | 104 | 3.4 |
| Yes | 10 109 | 76.6 | 507 | 5.0 |
| Chemotherapy | ||||
| No | 10 429 | 79.0 | 422 | 4.1 |
| Yes | 2 773 | 21.0 | 189 | 6.8 |
| Endocrine therapy | ||||
| No | 2 323 | 17.6 | 87 | 3.7 |
| Yes | 10 879 | 82.4 | 524 | 4.8 |
| Characteristic . | Patients (n = 13 202) . | Patients with VTE (n = 611) . | ||
|---|---|---|---|---|
| No. . | % . | No. . | % . | |
| Cancer stage | ||||
| Local disease | 5 037 | 38.2 | 214 | 4.3 |
| Regional disease | 2 961 | 22.4 | 161 | 5.4 |
| Distant metastases | 470 | 3.6 | 21 | 4.5 |
| Unknown | 4 734 | 35.9 | 215 | 4.5 |
| Grade | ||||
| Well differentiated | 1 681 | 12.7 | 71 | 4.2 |
| Moderately differentiated | 4 232 | 32.1 | 196 | 4.6 |
| Poorly differentiated | 3 024 | 22.9 | 166 | 5.5 |
| Unknown | 4 265 | 32.3 | 178 | 4.2 |
| Age (years) | ||||
| <40 | 715 | 5.4 | 21 | 2.9 |
| 40-49 | 2 030 | 15.4 | 63 | 3.1 |
| 50-59 | 3 262 | 24.7 | 108 | 3.3 |
| 60-69 | 2 973 | 22.5 | 179 | 6.0 |
| 70-79 | 2 407 | 18.2 | 158 | 6.6 |
| ≥80 | 1 815 | 13.8 | 82 | 4.5 |
| Comorbidity | ||||
| 0 | 6 987 | 52.9 | 295 | 4.2 |
| 1 to 3 | 5 860 | 44.4 | 293 | 5.0 |
| ≥4 | 355 | 2.7 | 23 | 6.5 |
| Body mass index (kg/m2) | ||||
| Underweight (<18.5) | 192 | 1.5 | 4 | 2.1 |
| Ideal (18.5-24.9) | 3 099 | 23.5 | 93 | 3.0 |
| Overweight (25.0-29.9) | 2 520 | 19.1 | 148 | 5.9 |
| Obese (30.0-39.9) | 1 119 | 8.5 | 73 | 6.5 |
| Morbidly obese (≥40.0) | 440 | 3.3 | 38 | 8.6 |
| Missing | 5 832 | 44.2 | 255 | 4.4 |
| Surgery | ||||
| No | 3 093 | 23.4 | 104 | 3.4 |
| Yes | 10 109 | 76.6 | 507 | 5.0 |
| Chemotherapy | ||||
| No | 10 429 | 79.0 | 422 | 4.1 |
| Yes | 2 773 | 21.0 | 189 | 6.8 |
| Endocrine therapy | ||||
| No | 2 323 | 17.6 | 87 | 3.7 |
| Yes | 10 879 | 82.4 | 524 | 4.8 |