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Table 1 Characteristics of the SSc patients (n = 36)

From: 18F-FDG positron emission tomography scanning in systemic sclerosis-associated interstitial lung disease: a pilot study

 

No. with available data

SSc patients (n = 36)

Demographics

 Sex, female, no. (%)

36

20 (55.6)

 Age, years, mean ± SD

36

57.9 ± 13.0

 Ethnical, no. (%)

33

 

  White

 

30 (90.9)

  Black

 

2 (6.1)

  Asian

 

1 (3.1)

 BMI, kg/m2, mean ± SD

36

25.3 ± 5.9

Disease characteristics

 Cutaneous subset, limited, no. (%)

36

19 (52.8)

 Disease duration, no. (%)

36

 

  < 2 years

 

14 (38.9)

  2–4 years

 

8 (22.2)

  > 4 years

 

14 (38.9)

 Antibody status, no. (%)

36

 

  Anti-nuclear

 

34 (94.4)

  Anti-centromere

 

12 (33.3)

  Anti-topoisomerase I

 

10 (27.8)

  Anti-ARN polymerase III

 

4 (11.1)

Organ involvement, no. (%)

 Lung, no. (%)

  Interstitial lung disease

36

22 (61.1)

  Current %FVC, median (IQR)

34

90.0 (80.0; 100.0)

  Current %DLCO, median (IQR)

32

60.0 (40.0; 70.0)

 Osteoarticular

32

14 (43.8)

 Muscle

24

6 (25.0)

 Current mRSS, median (IQR)

33

12 (4.0; 21.0)

 Gastrointestinal tract

36

24 (66.7)

 Pulmonary hypertension

36

8 (22.2)

 Renal crisis

36

0 (0.0)

 Calcinosis

33

4 (12.1)

 Telangiectasia

35

22 (62.9)

 Ulcer digital

34

10 (29.4)

 Heart

36

6 (16.7)

Current treatment, no. (%)

 Steroids

36

13 (36.1)

 Immunosuppressive drugs

36

13 (36.1)

  1. BMI body mass index, %DLCO diffusing capacity for the lung of carbon monoxide (% predicted value), %FVC forced vital capacity (% predicted value), IQR interquartile range, SD standard deviation, SSc systemic sclerosis