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Table 2 Demographics and spatiotemporal gait parameters of the study population according to Takakura ankle OA stage

From: Hindfoot motion according to subtalar compensation and ankle osteoarthritis stage analyzed by a multi-segment foot model

 

Takakura stage

P

3a (n = 13)

3b (n = 13)

4 (n = 28)

Sex (M:F)

6:7

7:6

15:13

0.694

Age

67.5 ± 5.4

71.2 ± 7.6

69.2 ± 5.3

0.275

BMIa, kg/m2

24.8 ± 1.8

27.7 ± 4.8

26.3 ± 3.6

0.275

Laterality (R:L)

7:6

4:9

21:7

0.026c

Cadence, step/min

108.4 ± 11.5

109.1 ± 7.1

103.9 ± 9.6

0.137

Speed, cm/s

90.7 ± 18.7

79.3 ± 20.3

82.8 ± 21.1

0.378

n Speedb, %

57.3 ± 10.8

51.3 ± 12.0

51.7 ± 12.5

0.292

Stride length, cm

100.0 ± 14.4

86.4 ± 20.3

95.6 ± 21.1

0.202

n Stride lengthb, %

63.3 ± 8.2

56.0 ± 11.8

59.6 ± 11.8

0.267

Step width, cm

11.5 ± 2.5

12.8 ± 3.5

14.0 ± 2.8

0.032d

n Step widthb, %

7.2 ± 1.5

8.3 ± 2.2

8.8 ± 1.7

0.028d

Step time, s

0.56 ± 0.07

0.55 ± 0.04

0.58 ± 0.05

0.137

Stance duration, %

64.6 ± 2.0

54.5 ± 23.0

60.9 ± 13.8

0.761

  1. aBody mass index
  2. bn. Normalized with height
  3. cSignificantly difference between stage 3b and 4
  4. dSignificantly differences in each groups
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X