Figure 3.

The number and frequency of cases demonstrating the blue and red pattern in each cause-of-death group. The black bar indicates the number of positive cases; white bar indicates negative cases. The positive ratios of blue and red pattern in each group are described at the left and right side of each bar, respectively. The red pattern appeared with significantly higher frequency in the circulatory diseases and drowning and asphyxia groups, and with low frequency in the remaining 4 groups (*P < 0.01 vs. hypo- and hyperthermia, trauma, and other internal diseases; #P < 0.01 vs. trauma and other internal diseases; Ryan’s multiple comparison test). By contrast, the blue pattern was unrelated to cause of death.

Kotani et al. Diagnostic Pathology 2012 7:182   doi:10.1186/1746-1596-7-182
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