Table 2 Subtype frequencies, gender, age and Diagnostic delay
JIA subtype | Number of patients (%) | Gender(M/F) N/N (%/%) | Age at Dx Years | Diagnosis Delay (months ±SD) | Entry cJADAS 10 (range) |
|---|---|---|---|---|---|
Persistent Oligo | 66 (48) | 10/56 (15/85) | 6 (1–14) | 5.4 (3–5.6) | 11 (9–15) |
Extended Oligo | 9 (7) | 1/8 (11/89) | 4 (2–13) | 3.2 (3–5.6) |  |
Poly RF + ve | 3 (2) | 1/2(33/67) | 15 (13–16) | 5 (4.2–6) | 19 (17–22) |
Poly RF-ve | 32 (23) | 12/20 (38/62) | 7.5(3–13) | 4 (3–5) | 19 (17–22) |
ERA | 10 (7) | 3/4(43/57) | 9(8–16) | 11.4 (6–25) | 14 (13–16) |
Psoriatic | 8 (6) | 2/6(25/75) | 6 (5–15) | 1 (1–5) | 13 (12–15) |
Systemic | 7 (5) | 3/4(43/57) | 2 (1–6) | 1.2 (1–2) | 21 (19–24) |
Undifferentiated | 3 (2) | 1/2 | 8 (6–10) | 7.5 (4–9) | 12 (11–13) |
Total | 138 (100) | 40/98 (71/29) | Â | Â | Â |