Philtral Columns and Nostril Shapes in Nigerian Children: A Morphometric and Aesthetic Analysis

Table 4

Mean scores of nostril shape preferences based on volunteer professional status, sex, and age.

Nostril shape	Professional status		𝑃 value	Sex		𝑃 value	Age		𝑃 value
	P⋆	L⋆		M	F		<35	>35
Triangular	35.35	25.65	0.025	29.88	31.08	0.782	26.64	37.67	0.015
Rectangular	30.38	30.62	0.956	30.43	30.56	0.975	30.13	31.19	0.809
Tear drop	30.48	30.52	0.994	30.22	30.76	0.902	31.08	29.43	0.718
Round	28.25	32.75	0.308	29.97	31.00	0.815	34.13	23.76	0.025

P⋆: professional; L⋆: layperson.