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Table 3 Modic 1 changes characteristics by intervertebral space narrowing at the level of Modic 1

From: Intervertebral disc and vertebral endplate subchondral changes associated with Modic 1 changes of the lumbar spine: a cross-sectional study

  IVSN  
≤50% (n = 31) >50% (n = 70) p value
Modic 1 location
 L1/L2 level 0 (0.0) 1 (1.4) 1.000
 L2/L3 level 1 (3.2) 14 (20) 0.034
 L3/L4 level 4 (12.9) 7 (10) 0.733
 L4/L5 level 7 (22.6) 30 (42.9) 0.073
 L5/S1 level 19 (61.3) 18 (25.7) 0.001*
Anterior Modic 1 13 (41.9) 20 (28.6) 0.169
Posterior Modic 1 6 (19.4) 17 (24.3) 0.797
Lateral Modic 1 24 (77.4) 44 (62.9) 0.107
Periosteophytic Modic 1 4 (12.9) 4 (5.7) 0.245
Modic 1 extension    
 Height, mean (SD) 1.4 (0.6) 1.6 (0.6) 0.078
 Width, mean (SD) 2.2 (0.8) 2.7 (0.6) <0.001*
  1. Data are no. (%) of patients unless indicated
  2. Nonparametric Kruskal-Wallis test or Fisher’s exact test; *p < 0.0025