Table 3.

Comparison of the HRT variables between the classes of the WIQ domain distance

	Class 1 n = 5	Class 2 n = 7	Class 3 n = 6	Class 4 n = 7	F	P
Number of plantar flexions	30.6 ± 12.78 (14.73–46.47)	60.14 ± 26.28 (35.83–84.45)	61.66 ± 29.5 (30.7–92.62)	73.71 ± 29.32 (46.59–100.83)	2.73	0.07
Time	38 ± 14.2 (20.37–55.62)	79.14 ± 44 (38.45–119.83)	76.66 ± 40.87 (33.77–119.56)	115.71 ± 96.2 (26.74–204.68)	1.63	0.21
Velocity	0.81 ± 0.19 (0.57–1.05)	0.82 ± 0.18 (0.66–0.99)	0.84 ± 0.29 (0.53–1.14)	0.87 ± 0.38 (0.52–1.22)	0.05	0.99

Notes: Mean ± standard deviation and 95% confidence interval. Class 1: < 25%; Class 2: ≥ 25% and < 50; Class 3: ≥ 50% and < 75%; Class 4: ≥ 75%.

Abbreviations: HRT, heel-rise test; WIQ, Walking Impairment Questionnaire.