Table 3.
Mortality rates by categories of the 2008 score and the new score
| 2008 score | New score | ||||
|---|---|---|---|---|---|
| Categories | Groups* | Deaths n (%) | Tertiles | Deaths n (%) | |
| Derivation cohort | Validation cohort | ||||
| 0-1 point | 692 (37.9%) | 5 (0.7%) | 0 point | 1 (0.3%) | 0 (0%) |
| 2-3 points | 672 (36.8%) | 11 (1.6%) | 1-2 points | 4 (1.3%) | 5 (1.6%) |
| 4-6 points | 460 (25.2%) | 29 (6.3%) | 3-9 points | 18 (5.8%) | 17 (5.5%) |
*defined with reference to the distribution (i.e., tertiles) of the 2008 score in the 2008 population.
The new score was built using data collected in the studied population.