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. Author manuscript; available in PMC: 2014 May 2.
Published in final edited form as: Ann Surg. 2008 Sep;248(3):459–467. doi: 10.1097/SLA.0b013e318185e1b3

FIGURE 1.

FIGURE 1

A. This bar graph represents the distribution of “risk of mortality” score within each age group category. The 4 possible scores are represented by different color bars (1 = black, 2 = gray, 3 = white, and 4 = striped). The x-axis shows the age group and the y-axis shows the percentage of patients with a particular score. For each age category, the 4 different color bars add up to 100%. With increasing age, the distribution of scores is shifted toward higher mortality risk. B. This bar graph represents the distribution of “illness severity” score within each age group category. The 4 possible scores are represented by different color bars (1 = black, 2 = gray, 3 = white, and 4 = striped). The x-axis shows the age group and the y-axis shows the percentage of patients with a particular score. For each age category, the 4 different color bars add up to 100%. With increasing age, the distribution of scores is shifted toward illness severity.