Table 2.
The perinatal prevalence of birth defects grouped according to ICD-10
| Group of birth defect (ICD-10 codes) | Total prevalence 1 | Prevalence, excl. minor anomalies 2 | ||
|---|---|---|---|---|
| Prevalence | 95% CI | Prevalence | 95% CI | |
| Congenital malformations of the nervous system (Q00-Q07) | 1.8 | 1.3-2.2 | 1.8 | 1.3-2.2 |
| Congenital malformations of eye, ear, face and neck (Q10-Q18) | 0.6 | 0.3-0.8 | 0.4 | 0.2-0.7 |
| Congenital malformations of the circulatory system (Q20-Q28) | 2.1 | 1.6-2.7 | 2.1 | 1.6-2.6 |
| Congenital malformations of the respiratory system(Q30-Q34) | 1.0 | 0.6-1.4 | 0.5 | 0.2-0.7 |
| Cleft lip and cleft palate (Q35-Q37) | 1.2 | 0.8-1.6 | 1.2 | 0.8-1.6 |
| Other congenital malformations of the digestive system (Q38-Q45) | 1.2 | 0.8-1.6 | 0.8 | 0.5-1.1 |
| Congenital malformations of genital organs (Q50-Q56) | 3.7 | 3.0-4.4 | 2.1 | 1.6-2.6 |
| Congenital malformations of the urinary system (Q60-Q64) | 4.4 | 3.7-5.1 | 4.3 | 3.6-5.1 |
| Congenital malformations and deformations of the musculoskeletal system(Q65-Q79) | 12.7 | 11.4-13.9 | 8.7 | 7.7-9.7 |
| Other congenital malformations, excluding multiple (Q80-Q89, excluding Q 89.7) | 3.6 | 2.9-4.3 | 0.9 | 0.6-1.0 |
| Chromosomal abnormalities, not elsewhere classified (Q90-Q99) | 0.7 | 0.4-1.1 | 0.7 | 0.4-1.0 |
| Multiple congenital malformation, not classified | 3.2 | 2.5-3.8 | 3.0 | 2.4-3.6 |
1All BD, including minor defects; per 1000 newborns (LB plus SB).
2All minor anomalies were excluded according to EUROCAT guidelines; per 1000 newborns (LB plus SB).