Table 2. Summary of read pairs used and prediction results using consensus database.

Method	Metaphlan-II	Clark-S	Kraken
No. of raw read pairs	200 M	200 M	200 M
No. of classified read pairs	5 M	6 M	8 M
No. of phylum	4	19	18
No. of genus	19	188	198
No. of species	26	498	514