Table 6.
Performance of the equations in men and women for all cause mortality and colorectal cancer mortality in QResearch validation cohort and Public Health England (PHE) cancer registry validation cohort at five year survival
| Outcome and statistic | Women | Men | |||
|---|---|---|---|---|---|
| QResearch cohort | PHE cohort | QResearch cohort | PHE cohort | ||
| All cause mortality: | |||||
| D | 1.765 (1.681 to 1.849) | 1.656 (1.637 to 1.676) | 1.711 (1.651 to 1.771) | 1.603 (1.586 to 1.620) | |
| R2 (%) | 42.643 (40.322 to 44.965) | 39.579 (39.030 to 40.129) | 41.144 (39.447 to 42.841) | 38.024 (37.523 to 38.525) | |
| Harrell’s C | 0.787 (0.779 to 0.795) | 0.775 (0.773 to 0.776) | 0.780 (0.773 to 0.788) | 0.763 (0.762 to 0.764) | |
| Colorectal mortality: | |||||
| D | 1.862 (1.758 to 1.966) | NA | 1.869 (1.765 to 1.972) | NA | |
| R2 (%) | 45.273 (42.507 to 48.038) | NA | 45.455 (42.729 to 48.182) | NA | |
| Harrell’s C | 0.797 (0.784 to 0.810) | NA | 0.800 (0.791 to 0.809) | NA | |
NA=not available.