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Table 1 Criterion validity analysis

From: The validity of a portable clinical force plate in assessment of static postural control: concurrent validity study

  Mean(SD) t-test
(p value)
SEM ICC(3,5)(CI’s) Bias (95% CI) ± 95% LOA
COP average velocity (mm/s)
Accugait 8.3 (2.3)     
   0.004* 2 0.60(0.16- 0.80) 1.7† (1.1,2.2) ± 5.9
MPSA 6.6 (3.5)     
Sway area (mm 2 )
Accugait 274 (155)     
   0.000* 870 0.14 (−0.24- 0.48) −1660† (−1370,- 1950) ± 3134
MPSA 1936 (1720)     
  1. CI, confidence Interval; *p < 0.05 indicates a significant difference in values between the 2 force plates; †statistically significant bias (different from zero).