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Table 2 Distribution of shape of earlobe among Nigerian ethnic groups across gender: Hausa = 89; Igbo = 112; Yoruba = 106

From: Ear morphology and morphometry as potential forensic tools for identification of the Hausa, Igbo and Yoruba populations of Nigeria

Shape of earlobe HAUSA IGBO YORUBA
Male Female Male Female Male Female
Right ear Left ear Right ear Left ear Right ear Left ear Right ear Left ear Right ear Left ear Right ear Left ear
(N, %) (N, %) (N, %) (N, %) (N, %) (N, %) (N, %) (N, %) (N, %) (N, %) (N, %) (N, %)
Tongue 6, 15.8% 8, 21.1% 6, 11.8% 6, 11.8% 5, 13.2% 7, 18.4% 13, 17.5% 11, 14.9% 8, 14.5% 7, 12.7% 8, 15.7% 8, 15.7%
Triangular 3, 7.9% 5, 13.2% 1, 2.0% 0, 0.0% 1, 2.6% 3, 7.9% 3, 4.1% 2, 2.7% 8, 14.5% 6, 10.9% 3, 5.9% 4, 7.8%
Arched 13, 34.2% 11, 28.9% 22, 43.1% 23, 45.1% 21, 55.3% 20, 52.6% 38, 51.4% 35, 47.3% 28, 50.9% 30, 54.5% 24, 47.1% 20, 39.2%
Square 16, 42.1% 14, 36.8% 22, 43.1% 22, 43.1% 11, 28.9% 8, 21.1% 20, 27.0% 26, 35.1% 11, 20.0% 12, 21.8% 16, 31.3% 19, 37.3%
Total 38 38 51 51 38 38 74 74 55 55 51 51