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Table 1 Characteristics of patients with interstitial lung disease by use of oxygen therapy

From: Variation in information needs of patients with interstitial lung disease and their family caregivers according to long-term oxygen therapy: a descriptive study

 

Total (n = 65)

LTOT (n = 17)

no-LTOT (n = 48)

Age, years, median (IQR)

74 (69–81)

72 (67–78)

74 (70–81)

Men, n (%)

38 (58.5)

10 (58.8)

28 (58.3)

Experience as a medical worker, n (%)

2 (3.1)

0 (0.0)

2 (4.2)

Body mass index, median (IQR)a

23 (19–25)

20 (17–24)

23 (20–26)

Classification of ILD, n (%)

 

 IIPs

27 (41.5)

8 (47.1)

19 (39.6)

 CTD-ILD

34 (52.3)

6 (35.3)

28 (58.3)

 CHP

4 (6.2)

3 (17.6)

1 (2.1)

Composite physiologic index, median (IQR)b

45 (31–54)

62 (53–67)

42 (29–51)

mMRC dyspnea scale, n (%)

 

 0

13 (20.0)

0 (0.0)

13 (27.1)

 1

6 (9.2)

1 (5.9)

5 (10.4)

 2

9 (13.8)

0 (0.0)

9 (18.8)

 3

31 (47.7)

12 (70.6)

19 (39.6)

 4

6 (9.2)

4 (23.5)

2 (4.2)

VAS score for cough, mm, median (IQR)

 

 Intensity

31 (13–60)

59 (26–67)

28 (6–50)

 Frequency

25 (5–50)

40 (13–76)

22 (3–49)

Duration of disease, year, n (%)

  < 1

11 (16.9)

0 (0.0)

11 (22.9)

 1≤, < 2

7 (10.8)

1 (5.9)

6 (12.5)

 2≤, < 3

8 (12.3)

1 (5.9)

7 (14.6)

 3≤, < 4

3 (4.6)

2 (11.8)

1 (2.1)

 4≤, < 5

5 (7.7)

2 (11.8)

3 (6.3)

  ≥ 5

31 (47.7)

11 (64.7)

20 (41.7)

Respiratory disease-related hospitalization

 

 History, n (%)

46 (70.8)

15 (88.2)

31 (64.6)

 Number, median (IQR)c

1 (0–2)

2 (1–4)

1 (0–2)

 Acute exacerbation, n (%)c

8 (12.5)

2 (12.5)

6 (12.5)

Antifibrotic agents, n (%)

12 (18.5)

7 (41.2)

5 (10.4)

Oxygen, n (%)

 

 During exertion

 

2 (11.8)

 

 All of the time

 

15 (88.2)

 
  1. CHP chronic hypersensitivity pneumonia, CTD-ILD connective tissue disease-associated interstitial lung disease, IIPs idiopathic interstitial pneumonias, ILD interstitial lung disease, IQR interquartile range, mMRC modified Medical Research Council, LTOT long-term oxygen therapy, VAS visual analog scale. aTotal (n = 59); LTOT (n = 17); no-LTOT (n = 42), bTotal (n = 43); LTOT (n = 7); no-LTOT (n = 36), cTotal (n = 64); LTOT (n = 16); no-LTOT (n = 48)