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Table 2 Bivariate correlations between the lumbar IMAT infiltration and gender, age, physical activity, NPRS mean, disc degeneration and fear-avoidance beliefs

From: Fear-avoidance beliefs are associated with a high fat content in the erector spinae: a 1.5 tesla magnetic resonance imaging study

  LMM IMAT ES IMAT
Gender r pb −0.103 0.088
p 0.630 0.683
Age r 0.678 0.472
p < 0.001 0.020
Physical activity r −0.205 −0.350
p 0.337 0.094
NPRS mean r 0.075 −0.188
p 0.728 0.379
Disc degeneration L4-L5 r 0.515 0.480
p 0.010 0.018
Disc degeneration L5-S1 r 0.477 0.336
p 0.018 0.109
FABQ-PA r 0.228 0.484
p 0.284 0.017
  1. Abbreviations: NPRS Numeric Pain Rating Scale, FABQ-PA Fear-Avoidance Beliefs Questionnaire subdomain Physical Activity, IMAT intramuscular adipose tissue, LMM Lumbar Multifidus, ES Erector Spinae
  2. rpb = Point biserial coefficient