Table 1.

Patient demographics and associated diseases in all included patients (n = 67) with a clinical diagnosis of juvenile Sjögren's syndrome^a

	No.	Mean ± SD years	SGUS–	SGUS+	P b	Benjamin‐Hochberg adjustment
Age at inclusion, years	67	16.3 ± 4.7c	17.3 ± 5.7	15.6 ± 3.9	0.146	NS
Age at first symptom, years	64d	10.2 ± 3.7	10.5 ± 4.5	10.1 ± 3.2	0.675	NS
Age at diagnosis, years	61d	12.1 ± 3.8	12.0 ± 4.5	12.2 ± 3.3	0.875	NS
Time from symptom onset to diagnosis, years	60d	1.8 ± 1.9	1.5 ± 1.5	1.9 ± 2.0	0.355	NS
Time from diagnosis to inclusion, years	61d	4.1 ± 4.4c	5.5 ± 5.3	3.3 ± 3.5	0.062	NS
Female:male ratio	58:9	–	25:1	33:8	0.067	NS
Hypothyroidism, no./total (%)e	5/59 (8)	–	3/25 (12)	2/34 (6)	0.404	NS
SLE, no./total (%)e	7/59 (12)	–	4/25 (16)	3/34 (9)	0.400	NS
MCTD, no./total (%)e	1/59 (2)	–	1/25 (4)	0/34 (0)	0.240	NS

^aValues are the mean ± SD unless indicated otherwise. SGUS = salivary gland ultrasonography; NS = nonsignificant; SLE = systemic lupus erythematosus; MCTD = mixed connective tissue disease.

^b P values are for the comparison of SGUS+ and SGUS– patients.

^cRegional differences (patients included in Brazil compared to patients included in Europe/US).

^dData not available from all patients.

^eNumber of positive observations/number of available observations.