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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: J Psychosom Res. 2014 Mar 22;76(5):361–367. doi: 10.1016/j.jpsychores.2014.03.001

Figure 2. Distribution of TST mismatch grouped by the degree of misperception in the diagnostic PSG.

Figure 2

Frequency histogram plots of TST mismatch (subjective - objective; X-axis) is shown according to the degree of misperception during the diagnostic PSG (gray bars). The groups are separately shown according to those with >60 minutes of TST under-estimation (panel A), within 60 minutes of objective TST (panel B), or >60 minutes of over-estimation (panel C). In each panel, the distribution of TST mismatch during the titration PSG is also shown (black bars). Next to each panel, the box-and-whiskers plot of the same data is shown for visual comparison. The differences between diagnostic and titration studies were statistically significant for panels A and C (p<0.05, Friedman paired test; brackets).

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