Table 2 Auxiliary investigations and laboratory test results of pediatric SS patients (n = 54)
From: A single-center study of clinical features of pediatric Sjögren’s syndrome
No. (n = 54) | pSS (n = 34) | sSS (n = 20) | P-value | |
|---|---|---|---|---|
Schirmer’s test (%) | 5(9.3) | 4(11.8) | 1(5.0) | 0.640* |
Salivary gland dynamic imaging (%) | 38(70.4) | 23(67.6) | 15(75.0) | 0.568 |
Salivary gland ultrasonography (%) | 30(55.6) | 21(61.8) | 9(45.0) | 0.231 |
Anti-Ro/SSA antibodies-positive (%) | 51(94.4) | 34(100.0) | 17(85.0) | 0.046* |
Anti-La/SSB antibodies-positive (%) | 36(66.7) | 21(61.8) | 15(75.0) | 0.319 |
ANA-positive (%) | 48(88.9) | 29(85.3) | 19(95.0) | 0.395* |
RF-positive (%) | 32(59.3) | 23(67.6) | 9(45.0) | 0.102 |
Low C3 levels (%) | 18(33.3) | 9(26.5) | 9(45.0) | 0.163 |
Low C4 levels (%) | 24(44.4) | 7(20.6) | 17(85.0) | 0.000 |
Elevated IgG (%) | 34(63.0) | 21(61.8) | 13(65.0) | 0.812 |