| Number of MJD | Number of SCA | Frequency (%) | P | Reference |
---|---|---|---|---|---|
Present study | 100 | 138 | 72.5 | Â | Â |
Chinese mainland | 59 | 120 | 49.2 | <0.001 | 23 |
 | 41 | 85 | 48.2 | <0.001 | 24 |
 | 26 | 75 | 34.7 | <0.001 | 25 |
 | 1 | 8 | 12.5 | <0.001 | 22 |
Chinese Taiwan | 35 | 74 | 47.3 | <0.001 | 26 |
 | 26 | 81 | 32.1 | <0.001 | 27 |
Singapore | 15 | 36 | 41.7 | 0.001 | 28 |
Japan | 87 | 202 | 43.1 | <0.001 | 9 |
 | 12 | 29 | 41.4 | 0.001 | 29 |
 | 91 | 330 | 27.6 | <0.001 | 30 |
 | 30 | 113 | 26.5 | <0.001 | 31 |
 | 35 | 143 | 24.5 | <0.001 | 32 |
 | 28 | 117 | 23.9 | <0.001 | 33 |
 | 8 | 46 | 17.4 | <0.001 | 34 |
 | 3 | 86 | 3.5 | <0.001 | 35 |
Thailand | 35 | 182# | 19.2 | <0.001 | 36 |
Korea | 4 | 40 | 10.0 | <0.001 | 37 |
 | 13 | 237 | 5.5 | <0.001 | 38 |
India | 5 | 14 | 35.7 | 0.005 | 39 |
 | 15 | 105 | 14.3 | <0.001 | 40 |
 | 2 | 39 | 5.1 | <0.001 | 12 |
 | 7 | 143 | 4.9 | <0.001 | 10 |
 | 1 | 32 | 3.1 | <0.001 | 41 |
 | 2 | 77 | 2.6 | <0.001 | 42 |
 | 0 | 28 | 0 | <0.001 | 43 |