Table 2.
Standardized incidence ratios for colorectal cancer among transplant recipients by cancer sub-site and stage
| CRC Sub-site | Stage | CRC Cases (N) | SIR (95% CI) |
|---|---|---|---|
| Overall CRC | Local | 326 | 1.21 (1.09, 1.36) |
| Regional | 247 | 0.97 (0.85, 1.09) | |
| Distant | 178 | 1.31 (1.26, 1.52) | |
| Unknown | 39 | 0.84 (0.60, 1.14) | |
| Proximal Colon | Local | 152 | 1.80 (1.53, 2.11) |
| Regional | 144 | 1.45 (1.23, 1.71) | |
| Distant | 94 | 1.98 (1.60, 2.42) | |
| Unknown | 18 | 1.82 (1.08, 2.88) | |
| Distal Colon | Local | 86 | 1.02 (0.81, 1.26) |
| Regional | 64 | 0.85 (0.66, 1.09) | |
| Distant | 41 | 1.03 (0.74, 1.39) | |
| Unknown | 4 | 0.38 (0.10, 0.98) | |
| Colon NOS | Local | 11 | 2.26 (1.13, 4.04) |
| Regional | 3 | 0.56 (0.12, 1.65) | |
| Distant | 19 | 1.83 (1.10, 2.87) | |
| Unknown | 8 | 1.10 (0.47, 2.16) | |
| Rectum | Local | 77 | 0.82 (0.65, 1.02) |
| Regional | 36 | 0.47 (0.33, 0.66) | |
| Distant | 24 | 0.63 (0.41, 0.94) | |
| Unknown | 9 | 0.47 (0.22, 0.90) |
CRC=colorectal cancer; NOS=not otherwise specified; SIR= standardized incidence ratio; CI=confidence interval. 1987–2010 used for calculating SIRs.