OR Confidence interval P-value
Aggregatibacter  actinomycetemcomitans 4.77 2.39 9.53 0.000*
Porphyromonas gingivalis 20.55 4.78 88.28 0.000*
Treponema denticola 19.87 4.62 85.38 0.000*
Fusobacterium nucleatum 9.23 3.13 27.20 0.000*
Prevotella intermedia 11.09 4.62 26.66 0.000*
Slackia exigua 27.94 11.77 66.32 0.000*
Treponema medium 5.38 2.60 11.14 0.000*
Treponema maltophilum 3.06 1.54 6.10 0.001*
Porphyromonas endodontalis .26 0.12 0.53 0.000*
Capnocytophaga ochracea 6.97 1.59 30.59 0.010
Campylobacter rectus 3.30 0.93 11.63 0.063
Tannerella forsythensia 7.35 0.94 57.23 0.057
Capnocytophaga sputigena 2.83 1.37 5.82 0.005
Centipeda periodontii 2.26 1.05 4.83 0.035
Dialister pneumosintes 3.32 1.49 7.43 0.003
Micromonas micros 17.14 2.27 129.39 0.006
Mogibacterium timidum 3.68 1.22 11.11 0.020
Prevotella nigrescens .71 0.31 1.62 0.418
Prevotella tannerae 1.28 0.67 2.45 0.452
Selenomonas sputigena 6.25 1.82 21.42 0.004
Treponema amylovorum 1.44 0.74 2.78 0.277
Treponema socranskii 6.51 1.90 22.29 0.003
Treponema vincentii .36 .13 1.00 0.050
Eikenella corrodens**        
Eubacterium saphenium**        
*Significant at alpha level of 0.002 according Benforroni correction Adjusted for age, gender, and smoking
** It was not possible to calculate an odds ratio when the organisms was present 0% or 100% of either of the compared groups
Table 4: The differences in the odds of having each bacteria detected in plaque samples between patients with severe chronic periodontitis and healthy subjects in the multivariate analysis.