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. 2017 Jul 1;70(2):225–232. doi: 10.1016/j.ihj.2017.06.019

Table 3.

Comparison of species of viridans streptococci isolated from the subgingival plaque and blood of patients of periodontitis after undergoing tooth extraction (n = 34).

Sr. No. Viridans streptococci strains isolated Subgingival plaque isolates (167/225)
Blood isolates (58/92)
χ2 value p value
No. (%) No. (%)
1. Streptococcus mitis 38 (16.89) 13 (14.13) 0.19 0.66
2. Steptococcus oralis 33 (14.67) 10 (10.87) 0.51 0.47
3. Streptococcus sanguinis 23 (10.22) 9 (9.78) 0.014 1.0
4. Granulicatella elegans 21 (9.33) 8 (8.70) 0.032 1.0
5. Streptococcus mutans 16 (7.11) 7 (7.61) 0.02 1.0
6. Granulicatella adiacens 12 (5.33) 4 (4.35) 0.006 1.0
7. Streptococcus parasanguinis 7 (3.11) 2 (2.17) 0.007 1.0
8. Streptococcus constellatus 5 (2.22) 1 (1.09) 0.048 1.0
9. Streptococcus anginosus 4 (1.78) 1 (1.09) 0.20 1.0
10. Streptococcus gordonii 3 (1.33) 2 (2.17) 0.002 1.0
11. Streptococcus sinensis 1 (0.44) 1 (1.09) 0.43 0.49
12. Streptococcus hyointestinalis 1 (0.44) 0 (0)
13. Streptococcus pluranimalium 1 (0.44) 0 (0)
14. Streptococcus thoraltensis 1 (0.44) 0 (0)
15. Streptococcus tigurinus 1 (0.44) 0 (0)
Total isolates 167 (74.22) 58 (63.04)

There was no statistically significant difference between subgingival plaque and blood isolates of viridans streptococci isolated from periodontitis patients undergoing tooth extraction (p > 0.05).