From: N-acetylcysteine exposure is associated with improved survival in anti-nuclear antibody seropositive patients with usual interstitial pneumonia
ANA Status
CC
CT
TT
p-value
ANA (−) (n = 64)
9 (14.1)
39 (60.9)
16 (25)
0.03
ANA (+) (n = 52)
12 (23.1)
19 (36.5)
21 (40.4)