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Table 1 SOT Assessments in Healthy Older Adults during the Day, Pre-Sleep, and after a Middle-of-the-Night Awakening

From: Use of computerized dynamic posturography to assess balance in older adults after nighttime awakenings using zolpidem as a reference

SOT Assessment Daytime* (mean ± SE) Pre-sleep* (mean ± SE) Middle-of-the-Night* (mean ± SE) Daytime vs Middle-of-the-Night Pvalue Pre-sleep vs Middle-of-the-Night Pvalue
ES1 (%) 92.84 ± 0.72 94.06 ± 0.86 93.44 ± 0.86 0.594 0.617
ES2 (%) 92.27 ± 0.59 92.33 ± 0.70 92.61 ± 0.70 0.714 0.780
ES3 (%) 89.73 ± 1.29 93.22 ± 1.54 92.00 ± 1.54 0.265 0.578
ES4 (%) 76.00 ± 2.36 83.08 ± 2.81 79.39 ± 2.81 0.362 0.358
ES5 (%) 59.00 ± 3.04 65.83 ± 3.62 66.58 ± 3.62 0.117 0.884
ES6 (%) 52.31 ± 3.22 65.50 ± 3.83 60.36 ± 3.83 0.116 0.349
CES(%) 72.53 ± 1.52 79.25 ± 1.81 77.25 ± 1.81 0.053 0.439
Somatosensory Ratio (%) 99.47 ± 0.54 98.25 ± 0.64 99.25 ± 0.64 0.794 0.279
Visual Ratio (%) 81.94 ± 2.50 88.58 ± 2.98 85.17 ± 2.98 0.412 0.422
Vestibular Ratio (%) 63.71 ± 3.25 70.17 ± 3.87 71.25 ± 3.87 0.144 0.844
Preference Ratio (%) 94.41 ± 2.33 100.67 ± 2.77 95.92 ± 2.77 0.680 0.233
  1. *Scores are within normal ranges for adults ≥ 65 years old.[13, 14, 20]
  2. ES = equilibrium scores
  3. CES = composite equilibrium score