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Table 3 Gait variables during pain-free walking

From: Unloading shoes for intermittent claudication: a randomised crossover trial

Variable

Control Shoes A

Unloading shoes B

Mean differencea (95% CI)

Walking speed (m/s)

1.16 (0.26)

1.17 (0.26)

−0.01 (−0.03 to 0.01)

Step length (m)

0.63 (0.11)

0.63 (0.11)

−0.01 (−0.02 to 0.01)

Step cadence (steps/min)

110.0 (11.5)

109.7 (12.1)

0.4 (−0.9 to 1.6)

Stance phase (%)

64.2 (2.3)

63.9 (2.3)

0.3 (−0.1 to 0.7)

Swing phase (%)

35.7 (2.4)

36.0 (2.5)

−0.3 (−0.8 to 0.2)

Double support (%)

28.5 (4.5)

28.1 (4.0)

0.3 (−0.3 to 1.0)

Ankle range of motion (°)

24.4 (3.6)

23.6 (3.4)

0.8 (−0.5 to 2.2)

Peak plantarflexion angle (°)

14.8 (3.2)

12.3 (2.9)

2.5 (1.3 to 3.7)

Peak plantarflexion moment (Nm/kg)

1.4 (0.2)

1.2 (0.4)

0.2 (0.0 to 0.3)

Peak ankle power generation (W/kg)

2.3 (0.8)

1.7 (0.8)

0.6 (0.2 to 1.0)

  1. aAdjusted estimate of difference for control minus unloading using covariance pattern mixed model approach
  2. Data are mean (SD) unless otherwise stated. Kinetic and kinematic data are for the most affected limb
  3. CI confidence interval