Table 3.

Reasons for tooth extraction by self-reported diabetes mellitus status and tooth type.

Reason for Tooth Extraction	Anterior					Premolar					Molar
	Self-Reported Diabetes Mellitus				p-Value	Self-Reported Diabetes Mellitus				p-Value	Self-Reported Diabetes Mellitus				p-Value
	Yes		No			Yes		No			Yes		No
	n	%	n	%		n	%	n	%		n	%	n	%
Upper					0.009					0.759					0.969
Dental caries	14	13.0	177	22.4		20	28.2	174	27.6		18	26.5	226	27.8
Periodontal disease	70	64.8	393	49.7		30	42.3	244	38.7		33	48.5	384	47.3
Others	24	22.2	221	27.9		21	29.6	213	33.8		17	25.0	202	24.9
Total	108	100	791	100		71	100	631	100		68	100	812	100
Lower					0.859										0.151
Dental caries	12	15.2	93	16.7		17	27.0	132	25.5	0.506	17	25.8	224	26.0
Periodontal disease	58	73.4	393	70.4		29	46.0	209	40.3		32	48.5	324	37.7
Others	9	11.4	72	12.9		17	27.0	177	34.2		17	25.8	312	36.3
Total	79	100	558	100		63	100	518	100		66	100	860	100

Chi-squared tests were performed to calculate the p-values.