PFT

pSS (41)

RA (38)

DM/PM (48)

SSc (30)

P

OVD

6 (14.6)

5 (13.2)

0

1 (3.3)

0.007

RVD

6 (14.6)

8 (21.1)

13 (27.1)

11 (36.7)

0.171

MVD

9 (22.0)

6 (15.8)

15 (31.3)

14 (46.7)

0.029

Small airway dysfunction

5 (12.2)

3 (7.9)

1 (2.1)

1 (3.3)

0.209

Emphysema

7 (17.1)

6 (15.8)

6 (12.5)

3 (10.0)

0.818

DFI

33 (80.5)

26 (68.4)

26 (54.2)

25 (83.3)

0.015

RVD plus MVD

15 (36.6)

14 (36.8)

22 (45.8)

22 (73.3)

0.008

OVD plus MVD

11 (26.8)

9 (23.7)

15 (31.3)

14 (46.7)

0.195