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Table 4 The number of patients with various clinical features divided according to the presence of arthritis and arthralgia

From: Application of the Yamaguchi criteria for classification of “suspected” systemic juvenile idiopathic arthritis (sJIA)

Components of Yamaguchi criteria (Y) or ILAR criteria (I)

Arthritis absent (i.e. “suspected” SoJIA) n=13

Arthritis present (i.e. “definite” SoJIA) n=18

 

Arthralgia absent n=6

Arthalgia present n=7

 
 

n (% of pts without arthralgia)

n (% of patients with arthralgia)

n (% of patients with arthritis)

Rash (Y,I)

5 (83)

3 (43)

10 (56)

WBC (Y)

1 (17)

3 (43)

6 (33)

Sore throat (Y)

1 (17)

2 (29)

3 (17)

Lymphadenopathy (Y,I)

5(83)

4 (57)

9 (50)

Abnormal LFT (Y)

3 (50)

4 (57)

3 (17)

Splenomegaly (Y)

5 (83)

5 (71)

7 (39)

Hepatomegaly OR splenomegaly (I)

5 (83)

6 (86)

10 (56)

Only splenomegaly (N)

2 (33)

3 (43)

1 (6)

Splenomegaly AND Hepatomegaly (N)

3 (50)

2 (29)

6 (33)

Yamaguchi criteria

5 (83)

7 (100)

11 (61)

  1. Y = Component of Yamaguchi criteria; I = Component of the ILAR criteria ; N = Not a component of either criteria. WBC = Leukocytosis (10,000/cmm or greater) including 80% or more of granulocytes, LFT = Liver function tests.