Table 2 Characteristic features of patients and association with survival (univariate analysis) *
Characteristic | Median [IQR] | p |
|---|---|---|
Age at first diagnosis (years) | 42 [10] | 0.024 |
Total exposure time (years) | 16 [11] | 0.611 |
N (%) | ||
Gender | ||
Male Female | 537 (99.6) 2 (0.4) | 0.880 |
Smoking status | ||
Never smokers Former and current smokers | 145 (27.6) 380 (72.4) | 0,067 |
Comorbidity | ||
Yes | 157 (29.1) | 0.089 |
Attributed Sector | ||
Ceramic production Dental technician Coal mine Quartz mine Metal welding-casting Metal mine Brick production Other | 132 (24.5) 121 (22.4) 91 (16.9) 82 (15.2) 52 (9.6) 13 (2.4) 5 (0.9) 43 (8) | 0.137 |
Workplace size | ||
Large Medium Small Micro | 280 (51.9) 68 (12.6) 26 (4.8) 15 (2.8) | 0.289 |
Type of Dust | 0.008 | |
Silica Metal dust Coal dust Asbestos Other | 483 (89.6) 117 (21.7) 94 (17.4) 11 (2) 40 (7.4) | |
Type of Disease | 0.095 | |
Silicosis Mix dust pneumoconiosis Coal worker pneumoconiosis Asbestosis Other | 363 (67,3) 141 (26.2) 21 (3.9) 1 (0.2) 13 (2.4) | |
Stage | 0.172 | |
Stage 0 Stage 1 Stage 2 Stage 3 | 42 (7.8) 359 (66.6) 121 (22.4) 17 (3.2) | |
Variety | 0.026 | |
Simple pneumoconiosis Complicated pneumoconiosis | 409 (75.9) 130 (24.1) | |
Developed lung cancer | 0.033 | |
Yes No | 3 (0.6) | |
History of tuberculosis | 0.037 | |
No Yes Non-tuberculosis mycobacteria | 393 (72.9) 146 (27.1) 1 (0.2) | |
Use of personal protective equipment | 0.117 | |
Yes No | 365 (67.7) 162 (30.1) |