Table 2. Unbalanced Robertsonian translocations (ROBs) detected in Children.
| Subtypes | 46,der(13;14),+13 | 46,der(13;21),+21 | 46,der(14;21),+21 | 46,der(15;21),+21 | 46,der(21;21) | 46,der(21;22),+21 | All types of ROBs | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number | T | M | F | T | M | F | T | M | F | T | M | F | T | M | F | T | M | F | T | M | F |
| 1 | 0 | 1 | 17 | 6 | 11 | 108 | 57 | 49 | 6 | 4 | 2 | 123 | 64 | 59 | 6 | 4 | 2 | 259 | 135 | 124 | |
| Percentage | 0.39 | 0.00 | 0.39 | 6.56 | 2.32 | 4.25 | 41.70 | 22.01 | 18.92 | 2.32 | 1.54 | 0.77 | 47.49 | 24.71 | 22.78 | 2.32 | 1.54 | 0.77 | 100.00 | 52.12 | 47.88 |
| M/F ratio | 0.00 | 0.55 | 1.16 | 2.00 | 1.08 | 2.00 | 1.09 | ||||||||||||||
| M/F ratio* | 0.00 | 0.59 | 1.25 | 2.15 | 1.17 | 2.15 | 1.17 | ||||||||||||||
Notes: T: total; M: male; F: female;
*based on the M/F ratio of the 98,686 males and 105,995 females performed by karyotype analysis.