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Table 6 Characteristics of patients with IPAF who progressed to connective tissue disease

From: Serological and morphological prognostic factors in patients with interstitial pneumonia with autoimmune features

Number

CTD

Duration (month)

Specific antibody

HRCT pattern

1

RA

62.2

Anti-RNP, anti-CCP

NSIP + OP

2

SS + SSc

88.2

Anti-La/SSB

NSIP + OP

3

RA

10.7

Anti-CCP

OP

4

RA

3.4

Anti-CCP

OP

5

RA

20.3

Anti-CCP

OP

6

RA

24.5

Anti-CCP

NSIP

7

RA

32.8

Anti-CCP

NSIP

8

SSc + DM

29.5

Anti-RNP

NSIP

9

SSc

60.1

Anti-Scl-70

NSIP

10

SLE

26.3

not detected

OP

11

SSc

56.4

not detected

NSIP

12

RA

130.3

not detected

NSIP

  1. Anti-CCP anti-cyclic citrullinated peptide, Anti-RNP anti ribonucleoprotein, Anti-Scl-70 anti-Sclero 70, CTD connective tissue disease, DM dermatomyositis, NSIP non-specific interstitial pneumonia, NSIP + OP NSIP with OP overlap, OP organizing penumonia, RA Rheumatoid arthritis, SLE systemic lupus erythematosus, SS sjogren syndrome, SSc Systemic sclerosis