. 2014 Feb 3;9(2):e87830. doi: 10.1371/journal.pone.0087830

Table 1. This table shows the fifteen most important features identified by the different classifiers.

Srinivasan et al. - Amsel			Srinivasan et al. - Nugent score			Ravel et al. - Nugent score
Genetic Programming	Random Forests	Logistic Regression	Genetic Programming	Random Forests	Logistic Regression	Genetic Programming	Random Forests	Logistic Regression
nugent^a	nugent^a	Prevotella genogroup 7	pH^b	CG2^a	clue^b	CG4^a	CG4^a	CG1^b
Moryella indoligenes	CG1	Streptococcus agalactiae^b	CG2^a	CG1^b	CG1^b	pH^b	pH^b	Lactobacillus 2
Mycoplasma^b	Uncorrelated microbes	Peptoniphilus lacrimalis	whiff^a	CG5	race	GpI	CG3	Sutterella
Fusobacterium	CG3	Bifidobacteriaceae	Sutterella wadsworthensis	vag_fluid	whiff^a	Coriobacteriaceae 3	Ureaplasma	CG6
Sutterella wadsworthensis	CG4	Raoultella planticola	Neisseria gonorrhoeae	pH^b	Finegoldia magna^b	Peptostreptococcaceae Incertae Sedis	CG5	Total number reads^b
Bacteroides Porphyromonas^b	Anaerococcus prevotii tetradius	Mycoplasma^b	Bacteroides	whiff^a	CG2^a	Flexibacteraceae 5	Total number reads^b	Bulleidia
CG5^b	CG2	nugent^a	Haemophilus	clue^b	Streptococcus anginosus	Moryella	CG2^b	Proteobacteria 3
Streptococcus agalactiae^b	CG5^b	Peptoniphilus harei	Bacteroides xylanisolvens	CG4	Peptostreptococcus	Megamonas	CG1^b	Bilophila
Veillonella montpellierensis	Peptostrepto-coccus	Dialister propionicifaciens	Eubacteriaceae Lachnospiraceae	Streptococcus agalactiae^b	Streptococcus agalactiae^b	Enterobacteriaceae 2	Ethnic Group	CG2^b
Candidatus Peptoniphilus massiliensis	Arcanobacterium phocae	Fusobacteriaceae	Arcanobacterium phocae	CG3	Raoultella planticola	Chryseobacterium	Uncorrelated microbes	Lactobacillales 1^b
Clostridiales	race	Megasphaera micronuciformis	Eubacteriaceae Ruminococcaceae	Finegoldia magna^b	Streptococcus parasanguinis	Patulibacter	Lactobacillus gasseri	CG4^a
Bifidobacterium breve	Coriobacteriaceae	Porphyromonas sp. type 1	Mobiluncus curtisii	Uncorrelated microbes	Megasphaera	Haemophilus	Clostridiales 15	Salmonella
Haemophilus	Actinomyces	Haemophilus pittmaniae	Campylobacter ureolyticus	Lactobacillus coleohominis	Prevotella genogroup 4	Clostridia 2	Community group	Dermabacter
Streptococcus salivarius thermophilus	Bacteroides Porphyromonas^b	Neisseria gonorrhoeae	Delftia tsuruhatensis	Anaerococcus vaginalis	Streptococcus salivarius thermophilus	Rothia	Lactobacillales 1^b	Flexibacteraceae 2
Fusobacterium periodonticum	Finegoldia magna	Asticcacaulis excentricus	Ruminococcaceae	Streptococcus mitis oralis	Pseudomonadaceae	Bacillus c	Staphylococcus	Exiguobacterium

Features common to all three techniques are labeled ‘a’. Features common to two techniques are labeled ‘b’. The features are listed in order of importance.