Table 2 National Paediatric Rheumatological Database (NPRD) with a uveitis add-on module in Germany (2002–2016). Demographic characteristics. Data as provided in NPDR and/or uveitis documentation
Initial documentation. Demographic characteristics | Group I. Uveitis, ANA-positive, no JIA, N = 62 | Group II. Uveitis manifestation after JIA disease onset*, N = 668 | Group III. Uveitis manifestation before JIA disease onset*, N = 61 | p value†| Significant pairwise comparisons‡ | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | n | Mean | SD | n | Mean | SD | n | Mean | SD | Â | Â |
Duration between JIA and uveitis onset, months (SD) | n.a. | n.a. | n.a. | 668 | 24.2 | 32.8 | 61 | -19.4 | 29.7 | < 0.001 | II vs. III |
Age at JIA onset, years (SD) | n.a. | n.a. | n.a. | 668 | 4.2 | 3.3 | 61 | 7.1 | 4.0 | < 0.001 | II vs. III |
Age at uveitis onset, years (SD) | 56 | 8.4 | 3.8 | 668 | 6.3 | 3.8 | 61 | 5.5 | 4.1 | < 0.001 | I vs. II, I vs. III |
Duration between uveitis onset and initial documentation, months (SD) | 56 | 20.2 | 23.1 | 641 | 57.5 | 50.8 | 59 | 36.5 | 33.3 | < 0.001 | I vs. II, II vs. III |