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Table 3 Head kinematics and HR during performance of FSST-VR

From: Factors associated with dynamic balance in people with Persistent Postural Perceptual Dizziness (PPPD): a cross-sectional study using a virtual-reality Four Square Step Test

Kinematic outcomes

Simple environment

Complex environment

Complex + environment

Controls

(n = 29)

PPPD

(n = 22)

Controls

(n = 29)

PPPD

(n = 22)

Controls

(n = 29)

PPPD

(n = 22)

Duration (s)

7.48 [7.10]

7.46 [2.06]

7.15 [1.25]

7.45 [1.55]

7.23 [1.74]

7.39 [1.68]

Number of peaks (N)

10.66 [2.75]

11 [3.42]

10.33 [2.33]

11 [1.25]

10.33 [2.33]

10.83 [2.58]

ML-ROM (m)

0.28 [0.08]

0.30 [0.06]

0.28 [0.05]

0.31 [0.08]

0.29 [0.08]

0.31 [0.05]

AP-ROM (m)

0.34 (0.07)

0.36 (0.06)

0.37 (0.09)

0.37 (0.79)

0.37 (0.09)

0.37 (0.79)

HR (bpm)

92.15 (17.93)

97.46 (10.93)

95.68 (18.77)

100.94 (11.64)

96.79 (20.10)

101.71 (11.34)

  1. Values in the table are mean and (standard deviation) for normally-distributed variables, and median and [interquartile range] for non-normally-distributed variables. ML-ROM = Mediolateral range of motion; AP-ROM = Anteroposterior range of motion, HR heart rate