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Table 2 Relationship between PLT, MPV, PDW and clinicopathological features in skull base chordoma

From: Mean platelet volume and platelet distribution width serve as prognostic biomarkers in skull base chordoma: a retrospective study

Variables PLT (109/L), N MPV (fl), N PDW (%), N
< 266 ≥266 P value < 11.9 ≥11.9 P value < 14.5 ≥14.5 P value
Sex    0.376    0.487    0.377
 Male 77 21   88 10   84 14  
 Female 65 24   77 12   72 17  
Age    0.187    0.262    0.203
  ≤ 55 114 40   134 20   126 28  
  > 55 28 5   31 2   30 3  
Tumour volume    0.002*    0.439    0.108
  ≤ 20,000 mm3 78 13   82 9   80 11  
  > 20,000 mm3 64 32   83 13   76 20  
Texture    0.313    0.400    0.536
 Soft 46 11   52 5   49 8  
 Hard/moderate 96 34   113 17   107 23  
Blood supply    0.098    0.705    0.978
 Rich 78 31   97 12   91 18  
 Poor/ moderate 64 14   68 10   65 13  
Pathology type    0.907    0.569    0.376
 Classical 96 30   110 16   103 23  
 Chondroid 46 15   55 6   53 8  
Brainstem involvement    0.356    0.678    0.858
 No 55 14   60 9   58 11  
 Yes 87 31   105 13   98 20  
Posterior cranial nerve involvement    0.229    0.678    0.858
 No 93 25   105 13   98 20  
 Yes 49 20   60 9   58 11  
Total 142 45   165 22   156 31  
  1. * indicate p < 0.05
  2. PLT platelet count, MPV mean platelet volume, PDW platelet distribution width;