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AA: angular artery.
| Parameter | Group 1 | Group 2 | Z value | p-value | ||
| Mean | Std. D. | Mean | Std. D. | |||
| AA length | 29.98 | 8.01 | 29.32 | 7.85 | -0.283 | 0.777 |
| AA diameter | 0.84 | 0.29 | 0.87 | 0.25 | -0.719 | 0.472 |
| AA location to the landmark lateral to the alar base | 7.56 | 2.94 | 7.96 | 3.22 | -0.458 | 0.647 |
| AA origin | 15.34 | 7.47 | 17.99 | 9.21 | -1.211 | 0.226 |
