Figure 2.

Relationship between the standard deviation of mediolateral (ML) postural center-of-pressure (CoP) sway and vestibular thresholds for sensory organization test (SOT) 5, with each dot representing 1 subject in study A. A: subjects with low lateral translation thresholds tend to have less ML postural sway, whereas subjects with high lateral translation thresholds tend to have larger ML postural sway. Partial slope lines show the results of a multiple variable linear regression between the standard deviation of ML postural CoP and each of the 5 threshold measures simultaneously, with the corresponding P value provided. B–E: there is no obvious intersubject relationship between sway and thresholds for the other 4 thresholds. Some partial slope lines may appear in an unintuitive direction; this occurs because multiple variable regression accounts for interactions between thresholds.