Table 1.

Demographic and clinical and characteristics of cSLE cohort compared to controls

Characteristic, mean ± SD unless specified otherwise	All (N = 164)	Control (n = 51)	Case (n = 113)	p-value
Age, years	12.8 ± 5.5	10.9 ± 5.2	13.6 ± 5.5	0.004
Female gender, n (%)	123 (75%)	43 (84%)	80 (71%)	0.064
Age at diagnosis, years	6.6 ± 3.5	5.0 ± 3.4	7.3 ± 3.4	< 0.001
Disease duration, years	6.1 ± 4.4	5.7 ± 3.9	6.1 ± 4.6	0.406
Familial, n (%)	47 (29%)	4 (7.8%)	43 (38%)	< 0.001

SD Standard deviation