Table 1.
Characteristics of women with and without a record of blood transfusion, censored at any cancer diagnosis
| Women without a record of blood transfusion | Women with a record of blood transfusion | |
|---|---|---|
| n=1 287 972 | n=11 274 | |
| Age at start of follow up in years (mean, SD) | 58 (5) | 60 (5) |
| Information taken at recruitment | ||
| Lowest quintile of socioeconomic status (%) | 20 | 25 |
| Have ever smoked (%) | 49 | 54 |
| Body mass index in kg/m2 (mean, SD) | 26 (5) | 27 (6) |
| Alcohol consumption in g/day (mean, SD) | 7 (9) | 6 (9) |
| Number of cancer cases (ICD-10 code)a | ||
| Colorectal cancer (C18-20) | 17 547 | 291 |
| Liver cancer (C22) | 1227 | 25 |
| Pancreatic cancer (C25) | 4135 | 54 |
| Lung cancer (C34) | 16 587 | 197 |
| Breast cancer (C50) | 55 284 | 265 |
| Endometrial cancer (C54) | 9977 | 40 |
| Ovarian cancer (C56) | 7887 | 55 |
| Renal cancer (C64) | 3234 | 48 |
| Non-Hodgkin lymphoma (C82-85) | 6099 | 114 |
| Myeloma (C90) | 2424 | 38 |
| Leukaemia (C91–93, 95) | 2762 | 70 |
| Other cancers | 31230 | 451 |
a
ICD-10, International Classification of Diseases, Revision 10.