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Table 1 Baseline characteristics and the statistical significance of the differences between the lower and higher cell count groups (NC = nucleated cells, SD = standard deviation, KL = Kellgren-Lawrence)

From: A dose response analysis of a specific bone marrow concentrate treatment protocol for knee osteoarthritis

  NC ≤ 4 × 108 cells NC > 4 × 108 cells P-value
  N Mean SD N Mean SD  
Age 224 54.5 12.8 185 50.2 15.6 .003
BMI 207 25.4 3.8 168 25.9 3.9 .241
NC Count (X108) 2.2 2.7 83.6 185 6.8 2.8 <.001
Gender 224    185    .001
Male 143 63.8 %   140 75.7 %   
Female 81 36.2 %   45 24.3 %   
Severity grade 160    128    .801
KL1 89 55.6 %   76 59.4 %   
KL2 48 30 %   36 28.1 %   
KL3-4 23 14.4 %   16 12.5 %