TABLE 2 

Prevalences and proportional abundances of the 40 most common coronal sulcus bacteria in the control and intervention arms at enrollmenta

FamilyGenusPrevalence (%) in groupAvg proportional abundance [% (SD)] in group
Control (n = 77)Intervention (n = 79)ControlIntervention
Clostridiales family XIaPeptoniphilus spp.74 (96.1)72 (91.1)5.4 (5.9)5.1 (5.8)
Clostridiales family XIaAnaerococcus spp.71 (92.2)68 (86.1)5.1 (8.1)4.3 (6.2)
NAUnclassified Clostridiales69 (89.6)70 (88.6)15.9 (16.0)14.3 (14.5)
PrevotellaceaePrevotella spp.69 (89.6)67 (84.8)21.4 (17.0)23.1 (20.5)
Clostridiales family XIaFinegoldia spp.63 (81.8)64 (81.0)6.5 (8.3)7.1 (10.6)
Clostridiales family XIaMurdochiella spp.62 (80.5)58 (73.4)3.2 (4.7)5.2 (8.6)
PorphyromonadaceaePorphyromonas spp.61 (79.2)55 (69.6)5.4 (6.1)4.8 (8.4)
CorynebacteriaceaeCorynebacterium spp.57 (74.0)52 (65.8)12.2 (21.2)8.5 (18.8)
Clostridiales family XIUnclassified Clostridiales Family XI54 (70.1)53 (67.1)0.7 (0.8)0.8 (1.5)
VeillonellaceaeDialister spp.53 (68.8)43 (54.4)1.6 (1.9)1.0 (1.6)
VeillonellaceaeNegativicoccus spp.40 (51.9)36 (45.6)1.0 (2.4)0.8 (1.8)
PeptostreptococcaceaePeptostreptococcus spp.31 (40.3)36 (45.6)0.9 (2.1)1.3 (2.7)
ActinomycetaceaeMobiluncus spp.38 (49.4)26 (32.9)1.5 (5.2)1.1 (3.8)
BifidobacteriaceaeGardnerella spp.33 (42.9)25 (31.6)1.8 (5.9)0.9 (3.2)
LactobacillaceaeLactobacillus spp.26 (33.8)28 (35.4)2.4 (10.7)8 (21.0)
StaphylococcaceaeStaphylococcus spp.29 (37.7)21 (26.6)1.4 (3.9)1.1 (6.0)
RuminococcaceaeSaccharofermentans spp.28 (36.4)21 (26.6)0.3 (0.6)0.5 (1.9)
StreptococcaceaeStreptococcus spp.26 (33.8)19 (24.1)1.3 (6.1)0.5 (2.8)
ActinomycetaceaeActinomyces spp.26 (33.8)17 (21.5)0.1 (0.5)0.1 (0.2)
VeillonellaceaeVeillonella spp.26 (33.8)14 (17.7)0.5 (1.5)0.6 (3.1)
Peptococcaceae 1Peptococcus spp.25 (32.5)14 (17.7)0.1 (0.1)0.04 (0.1)
CoriobacteriaceaeOlsenella spp.20 (26.0)19 (24.1)0.1 (0.2)0.1 (0.2)
ActinomycetaceaeArcanobacterium spp.23 (29.9)14 (17.7)0.1 (0.2)0.1 (0.2)
LachnospiraceaeHowardella spp.19 (24.7)9 (11.4)0.1 (0.1)0.03 (0.1)
Clostridiales family XIaParvimonas spp.17 (22.1)10 (12.7)0.2 (0.5)0.3 (1.2)
CoriobacteriaceaeAtopobium spp.14 (18.2)12 (15.2)0.1 (0.2)0.2 (1.1)
LeptotrichiaceaeSneathia spp.13 (16.9)13 (16.5)0.2 (0.8)0.3 (1.4)
SutterellaceaeSutterella spp.13 (16.9)12 (15.2)0.1 (0.2)0.03 (0.1)
LachnospiraceaeMoryella spp.14 (18.2)7 (8.9)0.1 (0.2)0.03 (0.1)
PeptostreptococcaceaePeptostreptococcaceae family12 (15.6)9 (11.4)0.1 (0.5)0.03 (0.1)
SpirochaetaceaeTreponema spp.10 (13.0)11 (13.9)0.2 (0.6)0.2 (0.5)
FusobacteriaceaeFusobacterium spp.8 (10.4)13 (16.5)0.2 (0.8)0.8 (3.8)
SynergistaceaePyramidobacter spp.13 (16.9)7 (8.9)0.2 (0.8)0.2 (0.8)
AerococcaceaeFacklamia spp.12 (15.6)8 (10.1)0.1 (0.3)0.1 (0.5)
Clostridiales family XIaAnaerosphaera spp.9 (11.7)11 (13.9)0.02 (0.1)0.1 (0.2)
MicrococcaceaeKocuria spp.10 (13.0)8 (10.1)0.05 (0.2)0.1 (0.2)
VeillonellaceaeMegasphaera spp.10 (13.0)8 (10.1)0.2 (0.6)0.1 (0.4)
MicrococcaceaeMicrococcus spp.8 (10.4)10 (12.7)0.04 (0.2)0.04 (0.1)
Bacillales family XIGemella spp.10 (13.0)6 (7.6)0.04 (0.1)0.03 (0.1)
BurkholderiaceaeRalstonia spp.13 (16.9)2 (2.5)0.1 (0.3)0.01 (0.1)
  • a *, false discovery rate (FDR)-adjusted P value < 0.05.