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Table 2 Centre of pressure (CoP) parameters: Romberg test in eyes open (EO) condition

From: Relationship between clinical and instrumental balance assessments in chronic post-stroke hemiparesis subjects

CoP Parameters SS CS P-values
Ellipse (mm 2 ) 647.9 ± 449.6 312.26 ± 168.5 0.042*
Sway Area (mm 2 /s) 43.6 ± 31.2 15.4 ± 7.4 0.005*
Path (mm) 665.1 ± 295.9 352.9 ± 82.6 0.005*
Path ML (mm) 384.9 ± 266.0 186.4 ± 43.4 0.032*
Path AP (mm) 444.4 ± 214 259.1 ± 62.9 0.018*
CoPv (mm/s) 17.80 ± 9.1 8.82 ± 2.1 0.007*
CoPv ML (mm/s) 10.1 ± 6.8 4.7 ± 1.1 0.022*
CoPv AP (mm/s) 12.1 ± 7.3 6.5 ± 1.6 0.031*
  1. Parameters computed from the CoP trajectory acquired during the Romberg Test in the EO condition for post-stroke (SS, second column) and control subjects (CS, third column). All parameters were significantly different between SS and CS, as indicated by the p-values on the right-hand side column (the asterisks mark the values exceeding the threshold for significance, p < 0.05). Values are reported as mean ± standard deviation.