Skip to main content

Table 2 Clinical and inertial sensor ROM 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)
6 min walk
 Distance (m) 286 (137) 319 (127) 0.037 58 36 530 (139)
Walking
 High speed (m/s) 1.07 (0.35) 1.19 (0.35) 0.004 0.17 0.12 1.45 (0.33)
Walking
 Self-selected speed (m/s) 0.81 (0.27) 0.96 (0.27) 0.005 0.15 0.11 1.19 (0.29)
 Stride time (s) 1.20 (0.14) 1.15 (0.07) 0.248 −0.05 0.03 1.15 (0.69)
 Cadence (step/min) 50.7 (5.8) 52.4 (3.4) 0.319 1.7 1.5 60.4 (16.8)
 Pelvis ROM (°)
  Sagittal 5.9 (2.8) 6.2 (3.0) 0.484 0.3 1.5 7.1 (2.6)
  Frontal 5.3 (2.2) 6.2 (3.2) 0.321 0.9 1.6 7.5 (1.8)
  Transverse 7.5 (3.4) 8.4 (3.5) 0.152 0.9 1.9 7.6 (3.2)
 Hip ROM (°)
  Sagittal 28.6 (9.3) 37.9 (7.3) 0.004 9.3 4.6 20.3 (6.0)
  Frontal 13.6 (5.2) 16.6 (9.1) 0.287 2.9 3.3 9.5 (2.5)
  Transverse 15.0 (6.5) 18.4 (7.3) 0.041 3.5 3.5 15.6 (4.6)
 Knee ROM (°)
  Sagittal 47.0 (17.1) 55.8 (6.0) 0.094 8.8 7.1 68.2 (8.6)
 Ankle ROM (°)
  Sagittal 27.5 (6.5) 31.6 (6.1) 0.244 4.1 6.2 49.4 (8.6)
Upstairs
 Stride time (s) 1.84 (0.79) 1.45 (0.42) < 0.001 −0.4 0.1 1.26 (0.43)
 Cadence (step/min) 36.4 (10.7) 44.1 (9.8) < 0.001 7.7 3.6 51.0 (11.5)
 Pelvis ROM (°)
  Sagittal 12.0 (6.9) 9.4 (4.3) 0.063 −2.6 0.7 6.5 (1.7)
  Frontal 12.0 (4.8) 11.5 (5.7) 0.646 −0.6 1.6 6.7 (3.2)
  Transverse 17.9 (6.1) 14.5 (5.7) 0.035 −3.3 2.3 6.9 (3.8)
 Hip ROM (°)
  Sagittal 51.7 (9.8) 48.7 (8.7) 0.349 −3.1 2.1 44.1 (8.5)
  Frontal 23.7 (7.1) 20.8 (6.4) 0.242 −2.9 4 12.1 (6.1)
  Transverse 26.0 (7.8) 21.5 (7.7) 0.074 −4.4 3.8 14.2 (4.2)
 Knee ROM (°)
  Sagittal 67.9 (10.4) 69.9 (12.7) 0.638 1.9 2.9 69.7 (8.2)
 Ankle ROM (°)
  Sagittal 37.3 (14.4) 27.3 (7.6) 0.08 −10 4 36.7 (16.0)
Downstairs
 Stride time (s) 1.66 (0.91) 1.31 (0.41) 0.005 −0.35 0.2 1.15 (0.69)
 Cadence (step/min) 41.5 (12.1) 49.1 (12.0) 0.005 7.6 5.1 60.4 (16.8)
 Pelvis ROM (°)
  Sagittal 9.6 (2.7) 9.1 (4.3) 0.485 −0.5 1.2 7.1 (2.6)
  Frontal 10.6 (4.7) 9.4 (4.5) 0.383 −1.3 0.9 7.5 (1.8)
  Transverse 17.8 (9.0) 15.6 (7.3) 0.215 −2.2 0.8 7.6 (3.2)
 Hip ROM (°)
  Sagittal 26.5 (7.4) 24.5 (7.5) 0.244 −2 3.6 20.3 (6.0)
  Frontal 14.2 (5.3) 16.3 (5.7) 0.394 2.1 2.1 9.5 (2.5)
  Transverse 26.4 (9.3) 25.3 (10.3) 0.484 −1.2 2.4 15.6 (4.6)
 Knee ROM (°)
  Sagittal 61.0 (14.3) 63.6 (16.1) 0.722 2.6 2.7 68.2 (8.6)
 Ankle ROM (°)
  Sagittal 52.3 (16.5) 46.3 (12.4) 0.206 −6 2.1 49.4 (8.6)
  1. The data presented are those from the most painful leg
  2. SD Standard deviation, SEM Standard error of measurement, paired t test Difference between pre-injection parameters and post-injection parameters, ROM Range of motion