. 2024 Jul 29;8(4):278–286. doi: 10.1002/ped4.12445

TABLE 1.

The measurement results for various auricle types

Variable	Normal auricle	Stahl's ear	Cup ear	Lop ear	Helical rim deformity	Conchal crus ear	Constricted ear	Cryptotia	Protruding ear
Morphologic ear length (cm)	2.22 ±0.22	2.50 ±0.23^***	2.12 ±0.21^*	2.15 ±0.27^*	2.28 ±0.28^**	2.19 ±0.20	1.99 ±0.25^***	2.15 ±0.31	2.28 ±0.29
Morphologic ear breadth (cm)	2.56 ±0.22	2.60 ±0.19	2.52 ±0.28	2.56 ±0.21	2.53 ±0.20	2.54 ±0.21	2.52 ±0.23	2.68 ±0.32	2.52 ±0.23
Physiognomic ear length (cm)	3.56 ±0.26	3.72 ±0.24^***	3.44 ±0.24^*	3.39 ±0.25^***	3.58 ±0.24	3.52 ±0.30	3.44 ±0.25^***	3.63 ±0.22	3.57 ±0.27
Physiognomic ear breadth (cm)	2.12 ±0.20	2.22 ±0.22^**	1.98 ±0.25^**	2.13 ±0.22	2.13 ±0.26	2.18 ±0.27^*	1.92 ±0.27^***	2.08 ±0.05	1.92 ±0.24^***
Antihelix angle (°)	86.71 ±13.73	78.73 ±20.76^*	74.52 ±20.23^*	85.42 ±19.46	80.13 ±20.68^***	83.73 ±20.91	83.28 ±18.39	76.25 ±17.50	88.47 ±21.03
Vertical distance of cephalo‐auricular (cm)	0.73 ±0.22	0.61 ±0.21^**	1.03 ±0.30^***	0.65 ±0.18***	0.66 ±0.22^***	0.62 ±0.20^***	0.83 ±0.24^***	0.63 ±0.17	1.27 ±0.24^***
Vertical distance of cephalo‐superaurale (cm)	0.50 ±0.16	0.41 ±0.17^***	0.68 ±0.23^***	0.40 ±0.16^***	0.48 ±0.16	0.47 ±0.14	0.44 ±0.15^***	0.48 ±0.05	0.85 ±0.26^***
Distance between helix and antihelix (cm)	0.85 ±0.22	1.22 ±0.24^***	0.94 ±0.25^*	0.79 ±0.22^**	0.96 ±0.25^***	0.87 ±0.24	0.66 ±0.20^***	0.80 ±0.20	0.94 ±0.27^*
Ratio of morphologic ear breadth to morphologic ear length	1.16 ±0.12	1.05 ±0.12^***	1.20 ±0.18	1.21 ±0.18^**	1.12 ±0.16^**	1.17 ±0.13	1.28 ±0.16^***	1.26 ±0.22	1.12 ±0.13^*
Ratio of physiognomic ear breadth to physiognomic ear length	0.60 ±0.06	0.60 ±0.07	0.58 ±0.07	0.63 ±0.07^***	0.60 ±0.07	0.63 ±0.14	0.56 ±0.09^***	0.57 ±0.03	0.54 ±0.07^***

*P < 0.05 vs. normal auricle; ^** P < 0.01 vs. normal auricle; ^*** P < 0.001 vs. normal auricle.