Table 2.

The demographic characteristics of 52 patients.

Clinical characteristics	N = 52 n/median
Age	59
Female	25
Hematological involvement	7
Anemia	2
Anemia and leukopenia	1
Leukopenia	2
Leukopenia and thrombocytopenia	1
Thrombocytopenia and anemia	1
Primary biliary cholangitis	4
Interstitial lung disease	2
Articular involvement	2
Hashimoto’s thyroiditis	6
Preceding infection	42
Respiratory infections	28
Gastrointestinal infections	10
Concurrent infections of the respiratory and gastrointestinal tracts	3
Parotitis	1