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

Table 2

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

Parameters	Anti-MX1 IgG autoantibody, >0.237	Anti-MX1 IgG autoantibody, ≤0.237	value
Number	18	53
Before AE
PSL, yes/no	7/11	9/44	0.099
Immunosuppressants, yes/no	5/13	6/47	0.131
Pirfenidone, yes/no	3/15	8/45	1.000
Started after AE
PSL, yes/no	5/13	12/41	0.751
Immunosuppressants, yes/no	2/16	7/46	1.000
Pirfenidone, yes/no	0/18	0/53	1.000

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