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Normative data on test-retest reliability of the sinusoidal harmonic acceleration test, pseudorandom rotation test and velocity step test

Leen Maes (UGent) , Ingeborg Dhooge (UGent) , EDDY DE VEL, Wendy D'Haenens (UGent) , Annelies Bockstael (UGent) , Hannah Keppler (UGent) , Birgit Philips (UGent) , Freya Swinnen (UGent) and Bart Vinck (UGent)
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Organization
Abstract
Rotational testing has been used in clinical practice to explore vestibular function. Frequently used stimulus algorithms include: sinusoidal harmonic acceleration test (SHAT), pseudorandom rotation test (PRRT), and velocity step test (VST). The aim of this study was to construct normative data as well as to evaluate the test-retest reliability of those rotational paradigms. One hundred and fifty subjects without vestibular history participated in the normative study. The SHAT was presented at 5 frequencies (0.01, 0.02, 0.05, 0.1, 0.2 Hz), whereas for the PRRT those frequencies were summed. The VST consisted of a rotation to the right and left and was administered twice. Thirty-two volunteers were retested to assess the test-retest reliability. Separate normative data were needed according to sex, stimulus type, and frequency for the SHAT and PRRT, and according to stimulus and direction for the VST. High reliability by means of the intraclass correlation coefficient (ICC) and the method error (ME) was obtained for the SHAT, PRRT, and VST gain, SHAT phase and asymmetry, and VST time constant parameters. The availability of data on the minimal detectable test-retest differences supports the evaluation of rotational responses on a retest session.
Keywords
normative, Rotational paradigms, reliability, velocity step test (VST), intraclass correlation coefficient (ICC), sinusoidal harmonic acceleration test (SHAT), pseudorandom rotation test (PRRT), minimal detectable difference (MDD), method error (ME)

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Chicago
Maes, Leen, Ingeborg Dhooge, EDDY DE VEL, Wendy D’Haenens, Annelies Bockstael, Hannah Keppler, Birgit Philips, Freya Swinnen, and Bart Vinck. 2008. “Normative Data on Test-retest Reliability of the Sinusoidal Harmonic Acceleration Test, Pseudorandom Rotation Test and Velocity Step Test.” Journal of Vestibular Research-equilibrium & Orientation 18 (4): 197–208.
APA
Maes, Leen, Dhooge, I., DE VEL, E., D’Haenens, W., Bockstael, A., Keppler, H., Philips, B., et al. (2008). Normative data on test-retest reliability of the sinusoidal harmonic acceleration test, pseudorandom rotation test and velocity step test. JOURNAL OF VESTIBULAR RESEARCH-EQUILIBRIUM & ORIENTATION, 18(4), 197–208. Presented at the 6th Meeting of the British-Society-of-NeuroOtology.
Vancouver
1.
Maes L, Dhooge I, DE VEL E, D’Haenens W, Bockstael A, Keppler H, et al. Normative data on test-retest reliability of the sinusoidal harmonic acceleration test, pseudorandom rotation test and velocity step test. JOURNAL OF VESTIBULAR RESEARCH-EQUILIBRIUM & ORIENTATION. 2008;18(4):197–208.
MLA
Maes, Leen, Ingeborg Dhooge, EDDY DE VEL, et al. “Normative Data on Test-retest Reliability of the Sinusoidal Harmonic Acceleration Test, Pseudorandom Rotation Test and Velocity Step Test.” JOURNAL OF VESTIBULAR RESEARCH-EQUILIBRIUM & ORIENTATION 18.4 (2008): 197–208. Print.
@article{534778,
  abstract     = {Rotational testing has been used in clinical practice to explore vestibular function. Frequently used stimulus algorithms include: sinusoidal harmonic acceleration test (SHAT), pseudorandom rotation test (PRRT), and velocity step test (VST). The aim of this study was to construct normative data as well as to evaluate the test-retest reliability of those rotational paradigms. One hundred and fifty subjects without vestibular history participated in the normative study. The SHAT was presented at 5 frequencies (0.01, 0.02, 0.05, 0.1, 0.2 Hz), whereas for the PRRT those frequencies were summed. The VST consisted of a rotation to the right and left and was administered twice. Thirty-two volunteers were retested to assess the test-retest reliability. Separate normative data were needed according to sex, stimulus type, and frequency for the SHAT and PRRT, and according to stimulus and direction for the VST. High reliability by means of the intraclass correlation coefficient (ICC) and the method error (ME) was obtained for the SHAT, PRRT, and VST gain, SHAT phase and asymmetry, and VST time constant parameters. The availability of data on the minimal detectable test-retest differences supports the evaluation of rotational responses on a retest session.},
  author       = {Maes, Leen and Dhooge, Ingeborg and DE VEL, EDDY and D'Haenens, Wendy and Bockstael, Annelies and Keppler, Hannah and Philips, Birgit and Swinnen, Freya and Vinck, Bart},
  issn         = {0957-4271},
  journal      = {JOURNAL OF VESTIBULAR RESEARCH-EQUILIBRIUM \& ORIENTATION},
  keyword      = {normative,Rotational paradigms,reliability,velocity step test (VST),intraclass correlation coefficient (ICC),sinusoidal harmonic acceleration test (SHAT),pseudorandom rotation test (PRRT),minimal detectable difference (MDD),method error (ME)},
  language     = {eng},
  location     = {London},
  number       = {4},
  pages        = {197--208},
  title        = {Normative data on test-retest reliability of the sinusoidal harmonic acceleration test, pseudorandom rotation test and velocity step test},
  volume       = {18},
  year         = {2008},
}

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