Table 3 Demographics, disease characteristics, and patient-reported measures of patients with normal vs. abnormal salivary gland ultrasound studies

 Age, years, Mean (SD)

18.0 (2.5)

19.6 (2.6)

0.11

 Female

18 (90)

9 (82)

1.00

 Caucasian

13 (65)

4 (36)

0.15

 Black/African American

6 (30)

7 (64)

0.13

 Disease Duration, years, Mean (SD)

4.5 (3.5)

5.9 (3.6)

0.31

 SLEDAI^b, Median (IQR)

2.0 (0.0–4.0)

4.0 (1.0–5.0)

0.74

 Anti-dsDNA^c

15 (75)

6 (55)

0.24

 Anti-Smith^c

10 (50)

6 (55)

1.00

 Anti-RNP^c

13 (65)

9 (82)

0.43

 Anti-Ro^c

6 (30)

9 (82)

0.01

 Anti-La^c

1 (5)

4 (36)

0.04

 IgG^d mg/dL, Mean (SD)

1323.4 (559.6)

2017.3 (825.7)

0.01

 Dryness Score^e, Median (IQR)

0.5 (0.0–3.0)

3.0 (1.5–5.0)

0.09

 Fatigue Score^e, Median (IQR)

2.5 (0.8–4.0)

2.0 (1.0–5.5)

0.80

 Pain Score^e, Median (IQR)

1.0 (0.0–3.0)

1.0 (0.0–4.0)

0.86

 Needs water to swallow

4 (20)

3 (27)

0.68

 Episodic cheek swelling

3 (15)

1 (9)

1.00