Table 1 Characteristics of Training and Testing Dataset of Nested Case Control Study Based on EPIC-Italy Cohort
Characteristics | Entire Dataset | Training Dataset | Testing Dataset | |||
|---|---|---|---|---|---|---|
Cases | Control | Cases | Control | Cases | Control | |
Total | 166 | 424 | 117 | 297 | 49 | 127 |
Age, Mean (SD) | 55.07 (6.73) | 53.23 (7.19) | 55.94 (6.73) | 53.08 (7.20) | 55.25 (6.62) | 53.56 (7.20) |
<  60 | 128 (26.9) | 348 (73.1) | 89 (26.4) | 245 (73.4) | 10 (27.5) | 103 (72.5) |
≥ 60 | 38 (33.3) | 76 (66.7) | 28 (35.0) | 52 (65.0) | 39 (29.4) | 24 (70.6) |
Gender | ||||||
 Male | 87 (52.4) | 84 (19.8) | 55 (47.4) | 61 (52.6) | 32 (58.2) | 23 (41.8) |
 Female | 79 (47.6) | 340 (80.2) | 62 (20.8) | 236 (79.2) | 17 (14.0) | 104 (86.2) |
Time-to-diagnosis (years) | ||||||
  < 6 | 80 (48.2) | NA | 56 (47.9) | NA | 24 (49.0) | NA |
  ≥ 6 | 86 (51.8) | NA | 61 (52.1) | NA | 25 (51.0) | NA |