All | Asbestosis | Silicosis | Coal workers’ pneumoconiosis | Other pneumoconiosis | P value | |
n | 675 | 130 | 210 | 259 | 76 | |
Age, years | 55.0 (49.0–65.0) | 67.0 (63.0–72.0) | 54.0 (48.0–63.0) | 53.0 (49.0–58.0) | 47.5 (42.0–55.0) | <0.001 |
Male | 523 (77.5) | 65 (50.0) | 131 (62.4) | 256 (98.8) | 71 (93.4) | <0.001 |
BMI, kg/m2 | 25.2±3.4 | 26.8±3.2 | 24.9±3.3 | 24.6±3.5 | 25.3±3.3 | <0.001 |
Smoking exposure, pack-years | ||||||
0 | 290 (43.0) | 80 (61.5) | 119 (56.7) | 71 (27.4) | 20 (26.3) | <0.001 |
1–9 | 136 (20.1) | 14 (10.8) | 16 (7.6) | 80 (30.9) | 26 (34.2) | |
10–19 | 94 (13.9) | 10 (7.7) | 23 (11.0) | 48 (18.5) | 13 (17.1) | |
≥20 | 155 (23.0) | 26 (20.0) | 52 (24.8) | 60 (23.2) | 17 (22.4) | |
Cumulative pack-years | 15.0 (5.0–25.0) | 21.3 (7.4–40.0) | 20.0 (11.3–30.0) | 10.5 (3.8–22.5) | 10.0 (3.0–23.8) | <0.001 |
Duration of exposure, years | 12.0 (7.0–20.0) | 8.5 (5.0–14.3) | 13.0 (8.0–21.3) | 14.0 (6.0–20.0) | 11.0 (8.0–17.5) | <0.001 |
Latent period, years | 26.0 (13.0–35.0) | 47.5 (36.5–52.0) | 26.0 (18.0–34.0) | 22.0 (9.0–29.0) | 12.0 (8.0–22.8) | <0.001 |
Stage of pneumoconiosis | <0.001 | |||||
Ⅰ | 332 (49.2) | 85 (65.4) | 95 (45.2) | 89 (34.4) | 63 (82.9) | |
Ⅱ | 164 (24.3) | 39 (30.0) | 44 (21.0) | 72 (27.8) | 9 (11.8) | |
Ⅲ | 179 (26.5) | 6 (4.6) | 71 (33.8) | 98 (37.8) | 4 (5.3) |
Data was presented as mean±SD or n (%) or median (IQR).
BMI, body mass index.;