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Table 3 Comparisons of the inner diameters of the carotid arteries between males and females

From: Inner diameters of the normal carotid arteries measured using three-dimensional digital subtraction catheter angiography: a retrospective analysis

Inner diameter measured Range (95% confidence interval) Mean ± standard deviation P
Male (n = 837) Female (n = 345) Male (n = 837) Female (n = 345)
Left proximal carotid sinus (mm) 6.55–15. 41 (10.66–11.30) 6.65–13.99 (9.836–10.80) 10.83 ± 2.32 10.13 ± 1.96 0.030
Right proximal carotid sinus (mm) 6.92–15.86 (11.24–11.88) 6.96–13.98 (10.17–11.06) 11.35 ± 2.28 10.37 ± 1.79  < 0.001
Left carotid sinus bulge (mm) 6.96–15.16 (10.85–11.44) 6.94–13.84 (10.04–10.95) 10.96 ± 2.23 10.32 ± 1.89 0.044
Right carotid sinus bulge (mm) 7.13–15.59 (11.26–11.86) 7.17–14.11 (10.34–11.23) 11.29 ± 2.18 10.54 ± 1.80 0.009
Left distal carotid sinus (mm) 5.25–11.21 (7.81–8.15) 5.27–10.17 (7.28–7.82) 7.98 ± 1.19 7.54 ± 1.08 0.010
Right distal carotid sinus (mm) 5.86–10.44 (8.06–8.38) 5.69–10.01 (7.47–7.98) 8.48 ± 1.45 7.87 ± 1.09 0.001
Left common carotid artery (mm) 7.74–13.82 (10.85–11.20) 7.36–13.00 (9.94–10.63) 11.03 ± 1.28 10.25 ± 1.39  < 0.001
Right common carotid artery (mm) 8.94–14.32 (11.52–11.88) 8.00–13.34 (10.56–11.13) 11.65 ± 1.37 10.71 ± 1.23  < 0.001