Table 3.

Histopathological pattern of patients with anti-MDA5+DM

Variable	n=17
Histopathological pattern, n (%)
NSIP pattern	7 (41.2)
OP pattern	0 (0.0)
NSIP+OP pattern	8 (47.1)
DAD pattern	1 (5.9)
AFOP pattern	1 (5.9)
All cases with NSIP pattern*, n (%)
Cellular NSIP pattern	1 (6.7)
Fibrotic NSIP pattern	7 (46.6)
Mixed NSIP pattern	7 (46.6)

*Only patients with NSIP were included (n=15).

AFOP, acute fibrinous and organising pneumonia; anti-MDA5+DM, anti-melanoma differentiation-associated gene 5 antibody-positive dermatomyositis; DAD, diffuse alveolar damage; NSIP, non-specific interstitial pneumonia; OP, organising pneumonia.