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Table 3 Median (interquartile range) log counts of the test species/genera in subgingival plaque from the healthy and periodontitis sites

From: Subgingival periodontal pathogens associated with chronic periodontitis in Yemenis

Species Healthy sites (n = 20) Periodontitis sites (n = 20) P
Total bacteria 8.65 (8.46-8.83) 8.78 (8.52-9.10) 0.04
A. actinomycetemcomitans 2.42 (0.00-3.50) 2.40 (0.00-307) 0.67
Fusobacterium spp. 6.62 (5.82-6.85) 6.37 (6.00-7.03) 0.08
Prevotella spp. 6.20 (5.65-6.65) 6.42 (6.07-6.80) 0.02
P. micra 4.33 (3.78-5.21) 5.40 (4.92-5.65) 0.0001*
P. gingivalis 3.90 (2.56-5.70) 5.52 (3.07-6.04) 0.04
T. forsythia 6.09 (5.24-6.47) 6.71 (5.97-6.91) 0.006*
T. denticola 5.47 (4.10-6.26) 6.16 (5.71-6.76) 0.02
  1. *Statistically significant after adjustment for multiple comparisons (P ≤ 0.0063); Wilcoxon signed ranks test.