Table 3 Mineralogical analysis and asbestos exposure quantification of lung tissue homogenates in control and welder patients
From: Role of metal oxide nanoparticles in histopathological changes observed in the lung of welders
Controls | Welders | P value | |
|---|---|---|---|
(n = 21) | (n = 21) | ||
Dry lung tissue weight (mg) (Mean ± SD) | 24.8 ± 7.6 | 21.4 ± 8.0 | ns |
Mineral particle concentration in lung tissue (number of particles x 107 per g; Mean ± SD) | |||
Total | 70.2 ± 84.3 | 155.9 ± 148.8 | 0.012 |
Metallic | 17.3 ± 22.7 | 73.9 ± 66.0 | 0.0005 |
Non metallic | 48.8 ± 61.1 | 80.9 ± 105.1 | ns |
Asbestos exposure | |||
Positive occupational questionnaire | 8 | 8 | |
AB/g dry lung tissue (median) | 23,667 | 4,001 | ns |
[Min–Max] | [165–437,175] | [685–44,370] | ns |
> 1000 AB/g dry lung tissue (n) | 7 | 8 | ns |