Table 2.

Distribution of respiratory disease in total sample.

ID	Disease	Frequency	Percent (%)
1	Chronic obstructive pulmonary disease	8358	32.05
2	Lung infection	7250	27.81
3	Chronic bronchitis	2207	8.46
4	Lung cancer	1911	7.33
5	Acute bronchitis	1395	5.35
6	Bronchial asthma	1346	5.16
7	Bronchiectasis	1113	4.27
8	Acute upper respiratory tract infection	759	2.91
9	Pulmonary tuberculosis	577	2.21
10	Pleural fluid	304	1.17
11	Interstitial lung disease	282	1.08
12	Pleurisy	167	0.64
13	Pulmonary heart disease	159	0.61
14	Pneumoconiosis	95	0.36
15	Pneumothorax	52	0.20
16	Lung abscess	36	0.14
17	Pulmonary encephalopathy	32	0.12
18	Pulmonary embolism	31	0.12
	Total	26074	100.00