Table 3 Pearson correlation coefficients (r), followed by Bland-Altman offsets (mm) and limits of agreement (95%CIs) for sway measures, as determined from Swaymeter recordings, against those taken from forceplate (COP) recordings.
From: Validity and reliability of the Swaymeter device for measuring postural sway
| Â | Floor | Foam | ||
|---|---|---|---|---|
| Â | Eyes open | Eyes closed | Eyes open | Eyes closed |
AP displacement Offset (95%CI) | r = 0.743 4.5(-6.8-15.7) | r = 0.845 6.8(-3.2-16.7) | r = 0.820 9.5(-4.9-23.8) | r = 0.865 15.6(-5.2-36.4) |
ML displacement Offset (95%CI) | r = 0.692 -4.1(-19.5-11.3) | r = 0.752 -5.4(-25.0-14.2) | r = 0.733 0.1(-19.0-19.3) | r = 0.807 -2.7(-30.1-24.7) |
Path length Offset (95%CI) | r = 0.667 231.0(68.6-393.4) | r = 0.754 275.5(-58.1-609.1) | r = 0.560 409.2(55.1-763.3) | r = 0.858 590.0(-363.9-1543.9) |