B lymphocytes Macrophages Mast cells B lymphocytes   0.28 p<0.001 0.23 p=0.002 Macrophages 0.28 p<0.001   0.19 p=0.01 Mast cells 0.23 p=0.002 0.19 p=0.01   The null hypothesis is there is no pairwise correlation between cell types.

Table 3: Spearman correlations between pairs of cell types (including statistical significance of this correlation [p-values])