Table 3.

Clinical Features of IgG4-related Pleuritis.

Reference	Age/ Gender	Location of pleural effusion	Serum IgG4 level (mg/dL)	Biopsy of pleura	IgG4+/IgG+cell ratio of pleura	ADA in pleural effusion (U/L)
7	78/M	Bilateral	483	Performed	85.4 %	34.1-46.7
8	85/M	Bilateral	2,740	Not performed	-	122
9	73/M	Right	1,500	Not performed	-	59.8
25	69/M	Right	2,380	Performed	About 50 %	70.6
Present case	81/M	Bilateral	233	Performed	Exceeded 40 %	85.0