Table 1 Characteristics of the COPD patients selected under scenario 5 and the control subjects

Age (years)

54.5 ± 22.9

54.5 ± 22.9

Male

14,635 (62.0)

29,270 (62.0)

Developed TB

674 (2.9)

554 (1.2)

<0.001^#

Follow-up duration (years)

8.63 ± 2.54

8.71 ± 2.47

<0.001*

Diabetes mellitus

1,573 (6.7)

3126 (6.6)

0.831^#

Malignancy

337 (1.4)

634 (1.3)

0.361^#

other cancer

300 (1.3)

619 (1.3)

0.656^#

lung cancer

37 (0.2)

15 (0.0)

<0.001^#

Autoimmune disease

65 (0.3)

61 (0.1)

<0.001^#

End-stage renal disease

37 (0.2)

82 (0.2)

0.604^#

Liver cirrhosis

8 (0.0)

10 (0.0)

0.317^#

Transplantation

4 (0.0)

6 (0.0)

0.740^‡

Pneumoconiosis

2 (0.0)

0 (0.0)

0.111^‡

HIV/AIDS

0 (0)

3 (0)

0.556^‡

Low income

340 (1.4)

391 (0.8)

<0.001^#