Table 5. Comparison of diameters of STA and those of its main branches between the side of the non-microtic and microtic ears.

	Non-microtia		Microtia		P-value
	No.	Mean±SD	No.	Mean±SD
STA diameter (mm)	19/19	1.6±0.4	20/20	1.2±0.4	0.012a)
STA 1st main branch/Frontal branch diameter (mm)	17/19	1.1±0.3	9/20	1.0±0.2	0.348a)
STA 2nd main branch/Parietal branch diameter (mm)	17/19	1.1±0.2	9/20	1.0±0.2	0.353a)

STA, superficial temporal artery. ^a)Independent t-test.