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Bulletin of the National Research Centre

Table 2 Patients of the second group classified as normal and non-normal based on the evaluation according to the bacterial plaque index and the gingival bleeding index

From: Adolescents, self-perception versus oral hygiene

Bacterial plaque Gingival hemorrhage

Normal

%

Not normal

%

Total-%

P value

Normal

5

17

13

45

18–62

Fisher's exact test

The two-tailed P value equals 0.0078*

Not normal

9

31

2

7

11–38

Average

14–48%

15–52%

100%

  1. *Fisher's exact test: The two-tailed P value equals 0.0078
  2. The association between rows (groups) and columns (outcomes) is considered to be very statistically significant
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