From: Serum MMP-9, SP-D, and VEGF levels reflect the severity of connective tissue disease-associated interstitial lung diseases
HRCT subgroups
UIP(n = 9)
no-UIP (n = 24)
t
p
MMP-9 (ng/ml)
568.94 ± 215.88
415.47 ± 158.82
2.319
0.027
SP-D (ng/ml)
89.96 ± 22.09
90.67 ± 22.77
− 0.085
0.933
VEGF (pg/ml)
479.04 ± 116.07
429.27 ± 158.35
0.923
0.363