Color Distribution Differences in the Tongue in Sleep Disorder

Figure 2

Differences in the histogram variables between normal and sleep disorder (SD) subjects. (a) Variable differences between the normal (𝑛=402) and SD (𝑛=52) groups in the first experiment, *𝑃<0.05. (b) Variable differences in the same subjects (𝑛=18) who were normal in the first experiment (NAFE) and had SD in the second experiment (SASE), *𝑃<0.05.

(a)

(b)