TABLE 1.

Patient demographics.

Patient characteristic	Results
Age at disease onset, years a	29.8 (8.4)
Age at diagnosis, years a	30.4 (8.5)
Age at serology, years a	30.4 (8.5)
Disease onset to serology, days b	28.5 (9–139.5)
Female, n (%)	142 (67)
Positive ASP results, n (%)	61 (28.7)
Patients with autoantibodies present, n (%)	42 (19.8)

Abbreviation: ASP, autoimmune screening panel.

^a Mean (SD).

^b Median (interquartile range).