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Table 2 Number of ILD patients who reported ILD and non-ILD lung disease in their family (1 or more relatives)

From: Clustering of lung diseases in the family of interstitial lung disease patients

Reported disease in family

All

Sarc

HP

IPF

uPF

Non-IPF IIP

aidILD

oILD

N (%)

1164

644

87

109

103

54

93

74

Any ILD or non-ILD lung disease

801 (69)

430 (67)

61 (70)

79 (73)

78 (76)

35 (65)

66 (71)

52 (70)

Any ILD

174 (15)

103 (16)

10 (12)

26 (24)

20 (19)

1 (2)

7 (8)

7 (10)

Sarcoidosis

109 (9)

90 (14)

4 (5)

3 (3)

5 (5)

0

3 (3)

4 (5)

Pulmonary fibrosis

54 (5)

7 (1)

5 (6)

22 (20)

15 (15)

0

4 (4)

1 (1)

Remaining ILD

20 (2)

11 (2)

1 (1)

2 (2)

3 (3)

1 (2)

0

2 (3)

Any non-ILD lung disease

750 (64)

395 (61)

59 (68)

72 (66)

72 (70)

35 (65)

65 (70)

52 (70)

Asthma

253 (22)

160 (25)

21 (24)

17 (16)

9 (9)

7 (13)

18 (19)

21 (28)

Bronchitis

177 (15)

101 (16)

19 (22)

8 (7)

8 (8)

9 (17)

16 (17)

16 (22)

COPD

120 (10)

65 (10)

16 (18)

8 (7)

12 (12)

5 (9)

10 (11)

4 (5)

Emphysema

94 (8)

45 (7)

8 (9)

11 (10)

12 (12)

6 (11)

6 (7)

6 (8)

Pneumonia

82 (7)

35 (5)

9 (10)

11 (10)

10 (10)

3 (6)

7 (8)

7 (10)

Tuberculosis

114 (10)

56 (9)

8 (9)

10 (9)

16 (16)

7 (13)

9 (10)

8 (11)

Lung cancer

286 (25)

153 (24)

15 (17)

39 (36)

24 (23)

12 (22)

25 (27)

18 (24)

Lung disease n.s

186 (16)

85 (13)

15 (17)

20 (18)

25 (24)

12 (22)

14 (15)

15 (20)

  1. Sarc = sarcoidosis; HP = hypersensitivity pneumonitis; IPF = idiopathic pulmonary fibrosis; uPF = unclassifiable pulmonary fibrosis; non-IPF IIP = an idiopathic interstitial pneumonia, other than IPF; aidILD = autoimmune disease interstitial lung disease; oILD = other interstitial lung disease; n.s. = not specified