Table 2.
Percentage distribution per nosological group (ICD-CM) of pediatric and adult RD patients. Veneto region rare diseases registry; 2016.
| Patients | Patients | |
|---|---|---|
| GROUPS OF DISEASES (ICD9-CM) | (0–17 Years) | (=>18 Years) |
| Infectious and parasitic diseases | 0.0 | 0.4 |
| Neoplasms | 6.6 | 2.8 |
| Endocrine disorders | 2.4 | 2.0 |
| Disorders of metabolism | 7.8 | 9.1 |
| Immunity disorders | 3.4 | 4.8 |
| Diseases of the blood and blood-forming organs | 17.2 | 11.7 |
| Central nervous system disorders | 3.0 | 10.3 |
| Peripheral nervous system disorders | 3.1 | 6.9 |
| Disorders of the eye and adnexa | 6.2 | 19.5 |
| Diseases of the circulatory system | 3.7 | 4.1 |
| Diseases of the digestive system | 0.4 | 2.7 |
| Diseases of the genitourinary system | 0.1 | 1.2 |
| Diseases of the skin and subcutaneous tissue | 0.7 | 5.5 |
| Diseases of the musculoskeletal system and connective tissue | 2.2 | 10.1 |
| Congenital anomalies | 42.9 | 8.7 |
| Certain conditions originating in the perinatal period | 0.2 | 0.0 |