Table VI.

ICA caliber sorted by side and sex.

	ICA below OA (mm)	ICA above OA (mm)	Decrease in caliber (mm)
Male average
Mean ± SD	4.35±0.44	2.82±0.46	1.53±(0.43)
Median (IQR)	4.31 (0.65)	2.79 (0.72)	1.57 (0.53)
Min-Max (range)	3.35-5.39 (2.04)	2.08-4.05 (1.97)	0.46-2.52 (2.04)
Male left side
Mean ± SD	4.39±0.5	2.80±0.51	1.58±0.43
Median (IQR)	4.32 (0.75)	2.79 (0.78)	1.59 (0.46)
Min-Max (range)	3.56-5.39 (1.83)	2.08-4.05 (1.97)	0.67-2.52 (1.85)
Male right side
Mean ± SD	4.33±0.38	2.84±0.41	1.49±0.44
Median (IQR)	4.29 (0.6)	2.78 (0.63)	1.57 (0.59)
Min-Max (range)	3.35-5.01 (1.66)	2.25-3.67 (1.42)	0.46-2.41 (1.95)
Female average
Mean ± SD	4.05±0.42	2.85±0.4	1.20±0.43
Median (IQR)	3.96 (0.51)	2.81 (0.62)	1.17 (0.57)
Min-Max (range)	3.22-5.08 (1.86)	2.17-3.63 (1.5)	0.15-2.22 (2.07)
Female left side
Mean ± SD	4.11±0.45	2.87±0.4	1.24±0.41
Median (IQR)	4.04 (0.49)	2.87 (0.65)	1.28 (0.55)
Min-Max (range)	3.42-5.08 (1.66)	2.28-3.6 (1.32)	0.15-2.22 (2.07)
Female right side
Mean ± SD	3.98±0.4	2.83±0.39	1.15±0.45
Median (IQR)	3.91 (0.48)	2.78 (0.56)	1.13 (0.66)
Min-Max (range)	3.22-4.94 (1.72)	2.17-3.63 (1.5)	0.43-1.98 (1.55)

ICA, internal carotid artery; OA, ophthalmic artery; SD, standard deviation; IQR, interquartile range.