Yes, you can use age of onset. Juvenile PsA is defined as PsA with the age of onset < 16 years. Both the JIA PremiOM dataset and the PsA PremiOM dataset may be used.
PsA PremiOM dataset:
The following patients can be reasonably classified as juvenile PsA patients in the PsA PremiOM dataset.
- Patients who have their first PsA code age < 16 years.
- ICD9: 696.0 (Psoriatic arthropathy)
- ICD10: L40.5* (Arthropathic psoriasis)
- Patients with a JIA code
- ICD9: 714.3* (Juvenile chronic polyarthritis)
- ICD10: L40.54 (Psoriatic juvenile arthropathy); M08.* (Juvenile arthritis)
- JIA PremiOM dataset:
- The following patients can be reasonably classified as juvenile PsA patients in the JIA PremiOM dataset.
- Patients who have PsA codes.
- ICD9: 696.0 (Psoriatic arthropathy)
- ICD10: L40.5* (Arthropathic psoriasis)
- (If desired for a larger sample size) Patients who have psoriasis codes.
- ICD9: 696.1 (Other psoriasis), 696.8 (Other psoriasis and similar disorders)
ICD10: L40.* (all psoriasis disease)
Category:
Juvenile Idiopathic Arthritis