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Table 3 Inertial sensor SPEED results in functional activities before and after genicular blockade

From: Lower limb kinematics improvement after genicular nerve blockade in patients with knee osteoarthritis: a milestone study using inertial sensors

 

Pre

Post

Paired t-test

Reliability

Healthy group

Mean (SD)

p value

diff

SEM

Mean (SD)

Walking

 Pelvis SPEED (°/s)

  Sagittal

59.4 (25.8)

65.7 (29.1)

0.59

6.3

17.4

81.8 (33.6)

  Frontal

59.2 (26.7)

71.1 (32.8)

0.133

11.9

8.8

107.9 (38.5)

  Transverse

58.7 (17.3)

61.8 (23.8)

0.152

3.1

7.8

89.9 (31.8)

 Hip SPEED (°/s)

  Sagittal

191.5 (63.8)

245.7 (46.6)

0.002

54.2

29.7

316.3 (85.6)

  Frontal

137.0 (55.1)

166.4 (80.6)

0.233

29.4

27.6

131.1 (43.2)

  Transverse

180.7 (69.2)

226.4 (105.6)

0.002

45.7

34.9

197.4 (61.6)

 Knee SPEED (°/s)

  Sagittal

518.5 (179.1)

593.3 (97.4)

0.244

75.1

64.1

655.2 (133.3)

 Ankle SPEED (°/s)

  Sagittal

316.8 (129.1)

364.5 (104.8)

0.138

47.7

66

394.5 (106.9)

Upstairs

 Pelvis SPEED (°/s)

  Sagittal

65.2 (27.2)

65.2 (25.2)

0.997

0

7.2

53.6 (14.4)

  Frontal

59.3 (22.3)

73.4 (25.5)

0.646

14

19.1

59.5 (26.0)

  Transverse

79.8 (22.4)

83.4 (22.0)

0.035

3.6

12.9

53.7 (21.8)

 Hip SPEED (°/s)

  Sagittal

251.1 (45.2)

278.7 (53.1)

0.349

27.6

12.6

272.2 (40.9)

  Frontal

138.5 (48.9)

156.5 (37.8)

0.215

18

21.2

103.7 (50.7)

  Transverse

205.5 (73.5)

226.2 (78.8)

0.074

20.6

26.4

158.7 (65.9)

 Knee SPEED (°/s)

  Sagittal

436.1 (109.9)

492.6 (81.1)

0.638

56.6

44.2

521.6 (125.5)

 Ankle SPEED (°/s)

  Sagittal

354.5 (93.5)

340.3 (101.3)

0.08

−14.2

24.1

362.1 (120.7)

Downstairs

 Pelvis SPEED (°/s)

  Sagittal

70.7 (30.3)

92.9 (40.6)

0.137

22.2

11.1

93.2 (50.8)

  Frontal

76.6 (39.0)

83.1 (30.1)

0.542

6.5

15.4

92.2 (37.5)

  Transverse

101.0 (33.9)

114.0 (24.9)

0.19

13

16.7

84.7 (27.7)

 Hip SPEED (°/s)

  Sagittal

172.7 (55.3)

221.9 (64.4)

0.063

49.2

40.6

245.1 (89.1)

  Frontal

109.3 (36.3)

163.0 (63.0)

0.015

53.7

15.9

109.2 (39.4)

  Transverse

192.2 (85.1)

229.3 (79.4)

0.158

37.1

57.9

219.1 (69.4)

 Knee SPEED (°/s)

  Sagittal

407.0 (139.0)

501.4 (93.9)

0.018

94.5

37.3

567.9 (145.6)

 Ankle SPEED (°/s)

  Sagittal

414.0 (137.7)

462.7 (123.7)

0.232

48.7

39.8

512.4 (117.4)

  1. SD Standard deviation, SEM Standard error of measurement, paired t-test Difference between pre-injection parameters and post-injection parameters, SPEED Angular speed range