Table 1 Demographic and clinical characteristics of study population in both groups
Variables | Group H (n = 13) | Group L (n = 11) | P |
|---|---|---|---|
Male (%) | 13(100.0) | 11(100.0) | 1 |
Age (years) | 48.5 ± 5.9 | 45.2 ± 6.7 | 0.21 |
BMI | 25.4 ± 2.1 | 23.6 ± 4.0 | 0.18 |
Stage of pneumoconiosis I and II (%) | 8(61.5) | 9(81.8) | 0.39 |
Stage of pneumoconiosis III (%) | 5(38.5) | 2(18.2) | 0.39 |
Smoke history (%) | 9(69.0) | 6(54.5) | 0.68 |
Dust exposure time(year) | 17.8 ± 9.8 | 16.0 ± 11.0 | 0.72 |