TABLE 2.
Clinical Characteristics of the Prediagnostic Cohort (Training Set)
| Variables | Cases (n = 67) | Controls (n = 132) |
| Age at sampling, y Mean (95% CI) | 54.8 (53.1–56.5) | 54.8 (53.6–56.0) |
| Age at diagnosis, y Mean (95% CI) | 63.6 (61.6–65.5) | |
| Sex | ||
| Men, n (%) | 24 (35.8%) | 49 (37.12%) |
| Women, n (%) | 43 (64.2%) | 83 (62.9%) |
| TNM stage at diagnosis | ||
| Stage IA-IB, n (%) | 3 (4.5%) | |
| Stage IIA-IIB, n (%) | 5 (7.5%) | |
| Stage III, n (%) | 13 (19.4%) | |
| Stage IV, n (%) | 46 (66.7%) | |
| Tumor grade at diagnosis | ||
| Grade 1, n (%) | 1 (1.5%) | |
| Grade 2, n (%) | 18 (26.9%) | |
| Grade 3, n (%) | 10 (14.9%) | |
| N.A., n (%) | 38 (56.7%) | |
| Surgical treatment | ||
| Curative resection | 8 (11.9%) | |
| Palliative surgery | 11 (16.4%) | |
| None | 48 (71.6%) | |
| Time from sampling to diagnosis, y | ||
| Median (range) | 8 (0.4–18.8) |
N.A. indicates not available in hospital charts, TNM, tumor-node-metastasis.