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Table 1 Participant Demographics and correlations

From: Normal inter-limb differences during the straight leg raise neurodynamic test: a cross sectional study

  Subgroups Combined groups Correlations (compared to combined groups)
     PF/SLR range of motion DF/SLR range of motion
   Phase 1  Phase 2 Both Phases  Left  Right Inter limb difference  Left  Right Inter limb difference
Age (years) 36.9 ± 12.8 * 29.4 ± 7.3 * 33.1 ± 11.0 0.18 0.23 0.02 0.21 0.28 -0.14
Height (m) 1.7 ± 0.1 1.7 ± 0.1 1.7 ± 0.1 -0.18 -0.15 -0.25 -0.14 -0.09 -0.04
Weight (kg) 69.9 ± 15.9 68.3 ± 15.1 69.1 ±15.3 -0.47 † -0.52 † -0.18 -0.42 † -0.40 † -0.04
BMI (kg/m2) 24.9 ± 4.4 25.1 ± 5.5 25.0 ± 4.9 -0.45 † -0.52 † -0.09 -0.41 † -0.42 † -0.05
Sex (% female) 85% 70% 77.5% 0.40 † 0.42 † 0.06 0.42 † 0. 40 † -0.09
Hand dominance (% right) 70% 80% 75% -0.22 -0.27 -0.04 -0.23 -0.23 -0.05
VPT (V) 7.8 ± 3.1 6.4 ± 1.9 7.1 ± 2.6 0.06 0.11 0.02 0.13 0.18 -0.06
MBQ (total score) 9.5 ± 1.2 * 8.6 ± 1.5 * 9.0 ± 1.4 0.50 † 0.57 † 0.14 0.51 † 0.52 † 0.18
  1. BMI = body mass index.
  2. VPT = vibration perception threshold at distal pad of halluces; 0-50V scale with higher numbers indicating poorer sensation and lower numbers indicating better sensation and normal being between 0-15V.
  3. MBQ = Modified Baecke Questionnaire; 3-15 point scale with higher numbers indicating higher self-reported activity levels and lower numbers indicating lower self-reported activity levels.
  4. PF = plantar flexion.
  5. DF = dorsiflexion.
  6. SLR = straight leg raise.
  7. * = statistically significant difference between groups.
  8. † = statistically significant correlation coefficient (r).
  9. Alpha set at 0.05.