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Table 8 Distribution of occupational exposure with number of exacerbations

From: A prospective observational study on acute exacerbation of chronic obstructive pulmonary disease in pulmonology department of tertiary care hospital

Occupational exposure

≤ 1 exacerbations (%)

≥ 2 exacerbations (%)

Total (%)

Biomass exposure

23 (11.7)

23 (11.7)

46 (23.3)

Mineral dust

25 (12.7)

63 (32.0)

88 (44.7)

Organic dust

16 (8.1)

27 (13.7)

43 (21.8)

No exposure

5 (2.5)

15 (7.6)

20 (10.1)