The median lung weight upon harvesting and the median lung collagen content of the four groups
| C | V | B | BV | p-value# | |
| Dried lung weight mg¶ | 148.2 | 221.1 | 154.8 | 217.3 | <0.01 |
| Collagen in lung mg¶ | 1.70 | 1.53 | 1.65 | 1.76 | 0.79 |
| sd | 0.73 | 0.23 | 0.61 | 0.56 |
C: control
V: virus only
B: bleomycin only
BV: bleomycin and virus
#: analysis of variance
¶: median weight