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Table 3 Correlation for all and every segment between lumbar stiffness, pressure pain, and superficial pain sensitivity

From: A cross-sectional analysis of persistent low back pain, using correlations between lumbar stiffness, pressure pain threshold, and heat pain threshold

  Global stiffness versus Pressure pain threshold Global stiffness versus Heat pain threshold Pressure pain threshold versus Heat pain threshold
Segment Rs p value ρ p value Rs p value
All 0.38 < 0.01 0.23 < 0.05 0.58 < 0.01
L1 0.36 < 0.01 0.19 0.03 0.53 < 0.01
L2 0.33 < 0.01 0.14 0.12 0.55 < 0.01
L3 0.34 < 0.01 0.21 < 0.05 0.57 < 0.01
L4 0.33 < 0.01 0.22 < 0.05 0.56 < 0.01
L5 0.38 < 0.01 0.28 < 0.01 0.50 < 0.01
  1. Presented as chi2 scores and p values
  2. Rs = Spearman’s rank correlation, ρ = Pearson’s product-moment correlation