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. Characteristics and results of secondary examination in the 15 participants with elevated serum IgG4 levels

From: Factors related to elevated serum immunoglobulin G4 (IgG4) levels in a Japanese general population

 

Gender

IgG (mg/dL)

IgG4 (mg/dL)

IgE (IU/mL)

Hypocomple

-mentemia

Creatinine (mg/dL)

ANA

RF (IU/mL)

IGRA for TB infection

Imaging findings on CT

1

Male

1,207

137

429

-

0.92

NA

-

NA

No significant finding

2

Female

1,517

140

7.9

-

0.56

NA

5

-

No significant finding

3

Male

1,150

142

674

-

0.79

NA

-

NA

No significant finding

4

Male

1,699

142

431

-

1.13

NA

5

-

No significant finding

5

Male

1,654

151

NA

-

0.63

NA

NA

-

Inflammatory scarring in the middle lobe and tongue area of the lung

6

Female

1,774

154

144

-

0.71

×40

NA

NA

No significant finding

7

Female

1,520

156

70

-

0.91

NA

NA

-

No significant finding

8

Male

1,531

197

1,460

-

0.92

NA

4

+

No significant finding

9

Female

1,612

205

95

-

0.60

NA

4

NA

No significant finding

10

Male

2,292

206

1,410

-

0.80

NA

37

-

No significant finding

11

Male

1,270

211

29

+

0.89

NA

NA

NA

No significant finding

12

Male

892

217

NA

-

0.79

NA

5

NA

No significant finding

13

Female

1,631

231

19

-

0.69

NA

NA

NA

No significant finding

14

Male

1,464

236

412

-

0.53

NA

NA

NA

No significant finding

15

Male

2,419

254

465

-

2.04

×40

14

NA

Hydronephrosis and retroperitoneal lesion (periaortitis/periarteritis)

  1. Note Hypocomplementemia is defined as serum CH50 levels less than reference range (32–47 U/mL)
  2. Abbreviations ANA: anti-nuclear antibody; IgG: immunoglobulin G; IgG4: immunoglobulin G4; IgE: immunoglobulin E; IGRA: interferon-gamma release assays; NA: not available; RF: rheumatoid factor; TB: tuberculosis