n (%)

N = 31

P-value

Underlying condition

Pneumonia

8 (25.8)

0.05

Tuberculosis

7 (22.9)

Aspergillosis

4 (12.9)

Sepsis

2 (6.5)

Silicosis

1 (3.2)

BOS

1 (3.2)

Foreign body

1 (3.2)

Lung Ca

3 (9.7)

Emphysema

2 (6.5)

Tracheo/bronchooesophageal fistula

1 (3.2)

Mucormycosis

1 (3.2)