Table 2.
Multivariable Cox proportional hazard model reporting hazard ratios for cancer site adjusted for age, sex, and screening status (n = 9674)
| Factors | Multivariable analysis | ||||
|---|---|---|---|---|---|
| n | Person years | HR | 95% CI | P-value | |
| Cancer site | |||||
| Left | 2298 | 44,034.3 | 1 | ||
| Right | 988 | 16,050.8 | 1.12 | (1.04–1.21) | 0.003 |
| Transverse | 182 | 3353.8 | 1.05 | (0.90–1.22) | 0.555 |
| Age | 1.04 | (1.03–1.04) | < 0.001 | ||
| Sex | |||||
| Male | 2219 | 36,624.7 | 1 | ||
| Female | 1249 | 26,814.2 | 0.80 | (0.74–0.85) | < 0.001 |
| Screening status | |||||
| Unscreened (uninvited/ non-attendees) | 2292 | 29,003.0 | 1 | ||
| Screened (Screen-detected/interval cancers) | 1176 | 34,435.9 | 0.45 | (0.42–0.48) | < 0.001 |
Incident colon cancer cases, Emilia-Romagna, Italy, 2000–2012, follow up until December 31, 2017