表 1. The activities of malondialdehyde (MDA) and superoxide dismutase (SOD) in serum were measured as markers of oxidative stress.
各组大鼠氧化应激标志物MDA和SOD测定结果
| Oxidative stress markers | Sham | Model | PFD | SBT-L | SBT-M | SBT-H |
| PFD: pirfenidone. #### P < 0.0001, vs. the Sham group; ** P < 0.01, *** P < 0.001, **** P < 0.0001, vs. the model group. n = 3. | ||||||
| MDA/(mmol/mL) | 59.38 ± 7.92 | 115.46 ± 10.2#### | 83.18 ± 3.78*** | 89.61 ± 3.85** | 78.96 ± 5.39**** | 65.11 ± 6.06**** |
| SOD/U | 2.22 ± 0.21 | 0.38 ± 0.05#### | 1.21 ± 0.13**** | 1.14 ± 0.22*** | 1.24 ± 0.10**** | 1.65 ± 0.08**** |