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Sex difference analysis of four typical morphological patterns of the aals and the hals
| Side | Sex | Pearson Chi-square | p value | ||
|---|---|---|---|---|---|
| Male | Female | ||||
| Type I | L | 27 | 16 | 1.230 (0.821) | 0.267 (0.365) |
| R | 30 | 28 | |||
| Type II | L | 7 | 8 | 2.240 (1.143) | 0.134 (0.285) |
| R | 7 | 2 | |||
| Type III | L | 6 | 6 | 0.434 (0.057) | 0.510 (0.812) |
| R | 7 | 4 | |||
| Type IV | L | 5 | 2 | 1.167 (0.292) | 0.280 (0.589) |
| R | 3 | 4 | |||
L left hemisphere, R right hemisphere
