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Table 3 Association between the location of intervertebral discs (IVDs) adjacent to vertebral fractures (VFs) and the shape of intradiscal vacuum phenomena (VPs)

From: Association between non-traumatic vertebral fractures and adjacent discs degeneration: a cross-sectional study and literature review

IVD location   VP shape Total
VP (−) Spot Linear Island
VF (−) Count (% raw) 240** (70.8) 18 (5.3) 29 (8.6) 52* (15.3) 339
Exp. Count 221.4 25.8 37.0 64.9  
Corrected P-value < 0.0006 0.004 0.012 < 0.003  
Superior Count (% raw) 18** (35.3) 9 (17.6) 5 (9.8) 19** (37.3) 51
Exp. Count 31.8 3.9 5.6 9.8  
Corrected P-value < 0.0006 0.004 0.790 < 0.0006  
Bilateral Count (% raw) 24 (53.3) 5 (11.1) 10 (22.2) 6 (13.3) 45
Exp. Count 28.1 3.4 4.9 8.6  
Corrected P-value 0.190 0.353 0.011 0.299  
Inferior Count (% raw) 21* (41.2) 5 (9.8) 9 (17.6) 16 (31.4) 51
Exp. Count 31.8 3.9 5.6 9.8  
Corrected P-value < 0.003 0.533 0.103 0.019  
  Total 303 37 53 93 486