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Pairwise clade comparison by Wilcoxon-Mann-Whitney test
| Clade C | Clade B | Clade A | |
|---|---|---|---|
| Clade C | – | P < 0.01 | P < 0.01 |
| Clade B | W = 0 | – | P < 0.05 |
| Clade A | W = 209 | W = 987 | – |
Upper right triangle – probability of rejecting null hypothesis about lack of significant difference between mean mutation rates (amino acid substitutions) in three Clades. Lower left triangle shows Wilcoxon-Mann-Whitney statistics values. Lognormal relaxed clock model was used for calculations
