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Table 13 Distribution of occupational exposure with severity grouping

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

Occupational exposure

Severity grouping

Group A (%)

Group B (%)

Group C (%)

Group D (%)

Biomass exposure

14 (7.1)

12 (6.1)

5 (2.5)

15 (7.6)

Mineral dust

14 (7.1)

31 (15.7)

9 (4.6)

34 (17.3)

Organic dust

4 (2.0)

15 (7.6)

9 (4.6)

15 (7.6)

No exposure

4 (2.0)

2 (1.0)

4 (2.0)

10 (5.1)

Total

36 (18.3)

60 (30.5)

27 (13.7)

74 (37.6)