Table 1. Spearman and Pearson correlations coefficients between the first principal coordinate and the fraction of genotype B for the 94 HCC patients and 45 CHB individuals.

Different word lengths are used for computing the Manhattan distance.

Correlation	k = 2	k = 3	k = 4	k = 5	k = 6	k = 7	k = 8
Spearman	-0.39	0.20	0.38	0.80	0.89	0.94	0.94
Pearson	-0.37	0.19	0.42	0.92	0.97	0.97	0.97