Risk category n Number of deaths Mortality rate
8143 24 0.29%
Low Intermediate (R>1-3) 2541 63 2.48%
High Intermediate (R>3-6) 1443 74 5.13%
388 52 13.40%
Total 12515 213 1.70%
Figure 2: Comparison between three prediction models: linear (straight line), logistic regression (broken line) and Cox model (dotted line). Actual mortality rates in NHANES validation dataset are indicated by the blocks with the number on the top indicating percent mortality in each of the four groups.