Table 2.

Reasons for tooth extraction and number of teeth before extraction.

Reason for Tooth Extraction	<20 Teeth					≥20 Teeth
	Self-Reported Diabetes Mellitus					Self-Reported Diabetes Mellitus
	Yes (N = 273)		No (N = 1994)		p-Value a	Yes (N = 182)		No (N = 2176)		p-Value a
	n	%	n	%		n	%	n	%
Dental caries	59	21.6	502	25.2	0.411	39	21.4	524	24.1	0.014
Periodontal disease	163	59.7	1119	56.1		89	48.9	828	38.1
Other reasons	51	40.3	875	43.9		54	29.7	824	37.9

^a p-values were calculated using chi-squared tests.