Classification | Left 1st PM | Left 2nd PM | ||||
---|---|---|---|---|---|---|
Male | Female | p-value | Male | Female | p-value | |
1 PM 1 | 139 | 122 | 0.056 | 157 | 120 | 0.528 |
1 PM 1–2−1 | 14 | 4 |  | 2 | 0 |  |
1 PM 1–2 | 12 | 6 |  | 1 | 2 |  |
1 PM 1–2−1–2 | 0 | 1 |  |  |  |  |
2 PM 1 B 1Â L 1 | 17 | 4 | Â | 0 | 1 | Â |
2 PM B 1Â L 1 | 2 | 1 | Â | Â | Â | Â |
3 PMMB 1 DB 1Â L 1 | Â | Â | Â | 2 | 1 | Â |
 C-Shaped canals |  |  |  | 3 | 0 |  |
Total | 184 | 138 | Â | 165 | 124 | Â |