Inner diameter measured | Range (95% confidence interval) | Mean ± standard deviation | P | ||
---|---|---|---|---|---|
Left (n = 1182) | Right (n = 1182) | Left (n = 1182) | Right (n = 1182) | ||
Proximal carotid sinus (mm) | 6.53–15.11 (10.55–11.09) | 7.06–15.60 (11.06–11.60) | 10.82 ± 2.19 | 11.33 ± 2.18 | 0.009 |
Carotid sinus bulge (mm) | 7.01–14.97 (10.74–11.24) | 7.39–15.35 (11.12–11.62) | 10.99 ± 2.03 | 11.37 ± 2.03 | 0.038 |
Distal carotid sinus (mm) | 5.50–10.12 (7.73–8.01) | 5.83–10.37 (7.97–8.25) | 7.81 ± 1.18 | 8.10 ± 1.16 | 0.020 |
Common carotid artery (mm) | 8.24–13.46 (10.69–11.01) | 8.85–14.15 (11.34–11.66) | 10.85 ± 1.33 | 11.50 ± 1.35 |  < 0.001 |