A Comparative Study of Palatal Rugae Patterns among Igbo and Ikwerre Ethnic Groups of Nigeria: A University of Port Harcourt Study

Table 6

Association between the tribes with the total pattern distribution (based on sides).

	Ikwerre		Igbo		DF	Chi-square ()	Critical value	Chi () calculated value	Inference
	Male	Female	Male	Female
Total patterns
Left	171	152	158	164	3	0.32	7.81	0.96	No significant association
Right	164	137	154	150