Total cohort, for allelic frequency | Participants for paired samples | Healthy controls | |
---|---|---|---|
Participants, n (% females) | 77 (61.0) | 66 (62.1) | 42 (30.9) |
Age at sampling (Md, IQR) | 10.3 (4.7–14.4) | 10.1 (5.2–14.4) | 7.7 (2.7–12.2)c |
Age at onset (Md, IQR) | 8.5 (3.2–12.4) | 8.5 (3.2–12.6) | |
ILAR category a course type, n (%) | |||
Oligoarticularb | 38 (49.4) | 32 (48.5) | |
Polyarticular, RF-negative | 16 (20.8) | 14 (21.2) | |
Polyarticular, RF-positive | 3 (3.9) | 3 (4.5) | |
Enthesitis-related | 10 (13.0) | 7 (10.6) | |
Psoriatic | 5 (6.5) | 5 (7.6) | |
Systemic | 1 (1.3) | 1 (1.5) | |
Undifferentiated | 4 (5.2) | 4 (6.1) |