Table 2

Group means (± SD) of time-to-boundary (TTB) measures of postural control for eyes closed trials.

Measures

CAI (n = 32)

Control (n = 32)

P-value

ES (CI)

TTBML Absolute Minimum (s)

0.48 ± 0.10

0.53 ± 0.10

0.03

0.50 (0.47 to 0.53)

TTBAP Absolute Minimum (s)

1.36 ± 0.40

1.61 ± 0.47

0.03

0.53 (0.37 to 0.69)

TTBML Mean of Minima (s)

1.82 ± 0.51

2.04 ± 0.58

0.11

0.38 (0.18 to 0.58)

TTBAP Mean of Minima (s)

4.71 ± 1.14

5.51 ± 1.63

0.03

0.49 (-0.07 to 1.06)

TTBML SD of TTB Minima (s)

1.76 ± 0.86

1.84 ± 0.63

0.66

0.13 (-0.09 to .35)

TTBAP SD of TTB Minima (s)

2.97 ± 0.84

3.53 ± 1.21

0.03

0.46 (0.04 to 0.88)

CAI = Chronic Ankle Instability, ML = Mediolateral, AP = Anteroposterior, SD = Standard Deviation, ES = Effect Size, CI = 95% Confidence Interval for ES.

McKeon and Hertel BMC Musculoskeletal Disorders 2008 9:76   doi:10.1186/1471-2474-9-76