Prevalence of Oral Health Problems and Distribution According to Socio-demographic Variables and Blood Groups among Patients in the Tripoli Region

Table 9.

Distribution of ABO bloodgroups among healthy individuals and patients with oral and dental healthproblems.

Blood group	Control		Patients with Oral and Dental Health Problems.		Chi-Square	P-Value
Blood group	Number of healthy individuals	Percent (%)	Number of patients	Percent (%)	Chi-Square	P-Value
A	54	54%	43	21.5%	38.424	0.000
B	12	12%	18	9%
AB	4	4%	7	3.5%
O	30	30%	132	66%