| Control | Low-dose | High-dose |
---|---|---|---|
Number of animals examined | 30 | 29 | 28 |
Survival animal number (rate; %) | 25 (83.3) | 22 (75.9) | 12 (41.4) |
Average survival time (weeks) | 99.7 | 96.5 | 92.8 |
Body weight (g) | 417.9 ± 34 | 399.1 ± 30 | 384.6 ± 17* |
Absolute lung weight (g) | 1.32 ± 0.08 | 1.92 ± 0.1* | 2.91 ± 0.3* |
Relative lung weight (g/100 g body weight) | 0.31 ± 0.03 | 0.48 ± 0.05* | 0.76 ± 0.06* |