Table 2.

Differences in the means of clinical indices in study groups.

Variable	DM and H mean difference
	Δ	%	P	β*
Bleeding on probing index %	52.3	671.9	0.000	0.000
Pocket probing depths (mm)	5.1	2561.7	0.000	0.000
Oral hygiene index	2.8	1085.8	0.000	0.000
HbA1c	3.4	56.7	0.000	0.000

^*Computed using α=0.05;

HbA1c – the glycosylated hemoglobin value; DM – diabetic (type 1 diabetes) with chronic untreated generalized periodontitis; H – healthy subjects.