Table 6.
Univariate analysis of the relationship between duration of exposure to asbestos in years, typical asbestos-related diseases, and various types of diagnostic approaches.
| Total cohort | Test | |||||||
|---|---|---|---|---|---|---|---|---|
| <25 | ≥25 | Total | Proportion test | |||||
| n | % | n | % | n | z | p | ||
| Spirometry | Mild obstructive deficit | 70 | 45.75 | 83 | 54.24 | 153 | 1.19 | 0.115 |
| Moderate obstructive deficit | 22 | 39.28 | 34 | 60.71 | 56 | 1.7 | 0.044 | |
| Severe obstructive deficit | 8 | 38.09 | 13 | 61.90 | 21 | 1.13 | 0.127 | |
| Mild restrictive deficit | 27 | 38.02 | 44 | 61.97 | 71 | 2.11 | 0.017 | |
| Moderate restrictive deficit | 17 | 34.69 | 32 | 65.30 | 49 | 2.28 | 0.011 | |
| Severe restrictive deficit | 3 | 75.00 | 1 | 25.00 | 4 | −0.79 | 0.214 | |
| Mild mixed deficit | 3 | 33.33 | 6 | 66.66 | 9 | 2.3 | 0.01 | |
| Moderate mixed deficit | 10 | 62.50 | 6 | 37.50 | 16 | −1.02 | 0.153 | |
| Severe mixed deficit | 28 | 100.00 | 0 | 0.00 | 28 | # | # | |
| Total | 188 | 38.82 | 219 | 61.18 | 407 | 3.74 | 0.001 | |
| XR | Micronodular nodules/opacities | 30 | 48.38 | 32 | 51.61 | 62 | 0.643 | 0.26 |
| COLD | 137 | 57.56 | 101 | 42.43 | 238 | −2.45 | 0.007 | |
| Bronchiectasis | 2 | 40.00 | 3 | 60.00 | 5 | 0.438 | 0.33 | |
| Interstitial diseases/interstitial oedema | 2 | 66.67 | 1 | 33.33 | 3 | # | # | |
| Emphysema | 16 | 69.57 | 7 | 30.43 | 23 | −1.78 | 0.036 | |
| Fibrosis/fibrotic striae | 43 | 68.25 | 20 | 31.75 | 63 | −2.68 | 0.003 | |
| Pleural thickenings | 62 | 52.10 | 57 | 47.89 | 119 | −0.41 | 0.339 | |
| Pleural plaques | 50 | 61.72 | 31 | 38.27 | 81 | −1.6 | 0.054 | |
| Pleural effusion | 1 | 10.00 | 9 | 90.00 | 10 | 1.97 | 0.024 | |
| Total | 343 | 56.43 | 261 | 43.57 | 604 | −2.91 | 0.001 | |
| CAT | Atelectasis | 7 | 58.33 | 5 | 41.67 | 12 | −0.54 | 0.292 |
| COLD | 7 | 26.92 | 19 | 73.08 | 26 | 2.26 | 0.011 | |
| Emphysema | 41 | 51.25 | 39 | 48.75 | 80 | −0.17 | 0.429 | |
| Pleural plaques | 63 | 37.72 | 104 | 61.90 | 167 | 3.02 | 0.001 | |
| Pleural thickenings | 157 | 53.58 | 136 | 46.41 | 293 | −1.24 | 0.107 | |
| Fibrosis/interstitial disease | 39 | 50.00 | 39 | 50.00 | 78 | 0 | 0.5 | |
| Bronchiectasis | 12 | 34.29 | 23 | 65.71 | 35 | 1.8 | 0.035 | |
| Larynx neoplasm | 0 | 0.00 | 3 | 100.00 | 3 | # | # | |
| Nodules/opacity | 38 | 42.22 | 52 | 57.77 | 90 | 1.51 | 0.064 | |
| Pleural effusion | 1 | 8.33 | 11 | 91.67 | 12 | 2.25 | 0.012 | |
| Total | 365 | 45.66 | 431 | 54.34 | 796 | 2.18 | 0.014 | |
| Pathologies | Asbestosis | 30 | 24.59 | 92 | 75.40 | 122 | 4.87 | 0.001 |
| Pleural plaques | 64 | 38.10 | 103 | 61.67 | 167 | 3.02 | 0.001 | |
| MPM | 19 | 27.53 | 50 | 72.46 | 69 | 3.39 | 0.001 | |
| MTVT | 8 | 33.33 | 23 | 74.19 | 31 | 1.58 | 0.057 | |
| Lung cancer | 7 | 35.00 | 13 | 65.00 | 20 | 1.66 | 0.048 | |
| Larynx cancer | 0 | 0.00 | 3 | 100.00 | 3 | # | # | |
| Total | 128 | 31.06 | 284 | 68.93 | 412 | 7.13 | 0.001 | |
MPM, malignant pleural mesothelioma; MTVT, mesothelioma tunica vaginalis testis; COLD, chronic obstructive lung disease; #, not calculable.