Rate and median size of de novo CNVs in very preterm infants and in the comparator group
| Preterm born n=488 | Combined comparator group n=3208 | |||||
| Number of CNVs | Rate (%) | Median CNV size (kilobases) | Number of CNVs | Rate (%) | Median CNV size (kilobases) | |
| >10 kb | 14 | 2.9 | 717 | 73/3495 | 2.1 | 255 |
| >100 kb | 13 | 2.7 | 812 | 57/3495 | 1.6 | 314 |