Table 2.

Presence of bacterial genera in crevicular fluid samples by study group

	Normal controls (n = 22)	Obese controls (n = 18)	Preoperative (n = 17)	Postoperative (n = 17)
Actinomyces	1; 4.545	0; 0	1; 1.882	0; 0
Candida	1; 454.5	2; 7.333	0; 0	5; 44,176§
Capnocytophaga	1; 4.545	2; 11.11	0; 0	0; 0
Eikenella	0; 0	0; 0	0; 0	1; 58.82
Fusobacterium	4; 140.9	3; 1167	2; 647.0	3; 176.4
Granulicatella	0; 0	0; 0	1; 588.2	0; 0
Haemophilus	1; 4.545	6; 629.5*	2; 70.58	4; 1824
Lachnoanaerobaculum	1; 4.545	0; 0	0; 0	0; 0
Lactobacillus	0; 0	1; 1.777	0; 0	0; 0
Micrococcus	0; 0	1; 5.555	0; 0	0; 0
Neisseria	1; 1.454	10; 11,906*	10; 1606*	4; 6718
Prevotella	3; 590.9	11; 6783*	7; 2529	11; 13,882
Rothia	0; 0	1; 5.555	1; 58.82	1; 58.82
Staphylococcus	2; 4547	0; 0	0; 0	2; 64.70
Streptococcus	22; 25,270	18; 43,005*	17; 23,257	17; 54,118§
Veillonella	2; 456	2; 611.1	1; 588.2	2; 117.6

Values are the number of positive samples; mean germ count

*p < 0.05 versus normal controls

^§p < 0.05 versus preoperative