Table 3 Correlation coefficients

mean gait parameter

  walking speed [m/s]

0.013

-0.406

-0.364

  stride length [m]

0.123

-0.388

-0.325

  stride time [s]

0.088

0.251

0.366

  stance phase [s]

-0.014

0.353

0.161

  swing phase [s]

0.203

0.013

0.372

  MTC

0.150

-0.103

-0.213

linear trend of mean gait parameter

  walking speed slope

-0.003

0.144

-0.477^a

  stride length slope

-0.020

0.251

-0.443^a

  stride time slope

0.073

-0.051

0.428^a

  stance phase slope

0.066

0.042

0.403^a

  swing phase slope

0.009

-0.186

0.260

  MTC slope

-0.074

0.194

-0.121

observer-rater tests

    BBS

-0.357

-0.374

-0.462^a

  TUG

-0.068

0.131

0.127

N

23

22

25