Anti-Myxovirus Resistance Protein-1 Immunoglobulin A Autoantibody in Idiopathic Pulmonary Fibrosis

Table 3

Correlation between titer of anti-MX1 IgA autoantibody and treatment.

Parameters	Anti-MX1 IgA autoantibody, >0.312	Anti-MX1 IgA autoantibody, ≤0.312	value
Number	4	67
Before AE
PSL, yes/no	1/3	15/52	1.000
Immunosuppressants, yes/no	1/3	10/57	0.498
Pirfenidone, yes/no	0/4	11/56	1.000
Started after AE
PSL, yes/no	2/2	15/52	0.241
Immunosuppressants, yes/no	0/4	9/58	1.000
Pirfenidone, yes/no	0/4	0/67	1.000

MX1, myxovirus resistance protein-1; AE, acute exacerbation; PSL, prednisolone. Fisher’s exact test was performed.