From: Evaluating the association between gingival crevicular blood glucose levels and finger capillary blood glucose levels according to periodontal status
Periodontal status
Pearson correlation coefficient
P value
Gingivitis
< 0.001
0.724
Stage 1 Grade A
0.296
0.246
Stage 2 Grade B
0.802
Stage 3 Grade C
0.018
0.522