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. 2016 Oct 11;11(10):e0162988. doi: 10.1371/journal.pone.0162988

Table 3. Results of the gingival bleeding index.

Gingival bleeding index G-DS (N = 30) G-ND (N = 30) p-value
N % N % 0.037*
+ 11 36.70 4 13.30
- 19 63.30 26 86.70

* Significant difference–Chi-square test.