Table 2.
Characteristics of potential cases of primary malignancy stratified by hospital medical record status
| Characteristic | Hospital medical record status
|
|
|---|---|---|
| Sampled N=161 |
Obtained N=141 |
|
| Age, mean (SD) | 77 (9.1) | 77 (9.0) |
| Country of residence, n (%) | ||
| Denmark | 70 (43.5) | 50 (35.5) |
| Norway | 48 (29.8) | 48 (34.0) |
| Sweden | 43 (26.7) | 43 (30.5) |
| Case year, n (%) | ||
| 2008 | 9 (5.6) | 9 (6.4) |
| 2009 | 8 (5.0) | 8 (5.7) |
| 2010 | 25 (15.5) | 21 (14.9) |
| 2011 | 43 (26.7) | 39 (27.7) |
| 2012 | 54 (33.5) | 42 (29.8) |
| 2013 | 9 (5.6) | 9 (6.4) |
| 2014 | 13 (8.1) | 13 (9.2) |
| Hospital department, n (%) | ||
| Cardiology | ≤3 (≤2%) | ≤3 (≤2%) |
| Endocrinology | ≤3 (≤2%) | ≤3 (≤2%) |
| Gastroenterology | 4 (2.5) | 4 (2.8) |
| Geriatrics | 12 (7.5) | 12 (8.5) |
| Gynecology | 11 (6.8) | 7 (5.0) |
| Internal medicine | 19 (11.8) | 19 (13.5) |
| Oncology | 27 (16.8) | 27 (19.1) |
| Pulmonology | 15 (9.3) | 15 (10.6) |
| Surgery | 53 (32.9) | 38 (27.0) |
| Other | 17 (10.6) | 16 (11.3) |
| Diseases, chronic, n (%) | ||
| Colorectal polyps | 0 (0.0) | 0 (0.0) |
| Ulcerative colitis | ≤3 (≤2%) | ≤3 (≤2%) |
| Crohn’s disease | ≤3 (≤2%) | ≤3 (≤2%) |
| Familial adenomatous polyposis | 0 (0.0) | 0 (0.0) |
| Obesity | ≤3 (≤2%) | ≤3 (≤2%) |
| Polycystic ovarian syndrome | 0 (0.0) | 0 (0.0) |
| Medications, n (%) | ||
| Hormone replacement therapy | 16 (9.9) | 14 (9.9) |
| Tamoxifen | 0 (0.0) | 0 (0.0) |
| Other, n (%) | ||
| Tobacco use disorder | 0 (0.0) | 0 (0.0) |
| Family history of cancers | 0 (0.0) | 0 (0.0) |
Notes: Age was age at time of admission/hospital contact for incident primary malignancy identified by the case algorithm utilizing the national patient registry. Case year refers to year of admission/hospital contact as recorded in the respective national patient registries.