Cone-Beam Computed Tomography Analysis on the Relationship between the Mandibular Third Molar and the Position of the Mandibular Canal in Koreans from the Yanbian Area and the Han People

Table 1

Comparison of the age of Korean and Han Chinese by gender (P₅₀ (P₂₅–P₇₅)).

	Korean nationality	Han nationality	Z
Male	30 (23–43)	27 (24–33)	−1.159	0.097
Female	27 (22–34)	26 (23–31)	−0.413	0.679

Note. means statistical significance.