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. 2021 Jun 12;18(12):6379. doi: 10.3390/ijerph18126379

Table 3.

Between and within-group differences in postural control-related parameters.

Tests MTD CON Adjusted Difference
95% (CI) *
Test 1: Standing with both feet, eyes opened
Total travelled distance of center of pressure (mm)
Pretest 105 ± 26.8 154 ± 62.6
Midtest 127 ± 43.5 # 185 ± 68.0 −58.0 (−58.9, 7.08)
Posttest 125 ± 47.2 185 ± 120 −60.0 (−103, 20.9)
Ellipse area (mm2)
Pretest 6.58 ± 5.13 8.23 ± 5.59
Midtest 6.54 ± 4.05 11.1 ± 6.69 −4.56 (−7.38, −0.77) ^
Posttest 7.40 ± 5.49 8.24 ± 4.77 −0.84 (−2.83, 2.73)
Test 2: Standing with both feet, eyes closed
Total travelled distance of center of pressure (mm)
Pretest 124 ± 32.6 175 ± 85.3
Midtest 138 ± 56.9 171 ± 59.1 −33.0 (−46.9, 22.6)
Posttest 137 ± 62.8 184 ± 65.9 −47.0 (−50.6, 18.2)
Ellipse area (mm2)
Pretest 5.91 ± 4.26 7.48 ± 4.34
Midtest 7.02 ± 5.09 9.85 ± 7.21 −2.83 (−5.62, 1.65)
Posttest 7.40 ± 6.21 9.56 ± 5.43 −2.16 (−3.92, 2.06)
Test 3: Tandem stance with right foot forward, eyes opened
Total travelled distance of center of pressure (mm)
Pretest 452 ± 223 526 ± 263
Midtest 438 ± 153 487 ± 124 −49.0 (−121, 45.8)
Posttest 488 ± 149 490 ± 187 −2.00 (−91.1, 113)
Ellipse area (mm2)
Pretest 31.5 ± 73.7 16.0 ± 13.8
Midtest 21.3 ± 10.6 21.5 ± 14.5 1.70 (−6.79, 8.50)
Posttest 13.0 ± 11.9 15.7 ± 9.27 −2.70 (−8.52, 4.54)

* by ANCOVA adjusted for baseline value; p < 0.05, # significant differences compared with pretest.