Table 1 Experimental groups
Groups | Number of rats | Treatments |
|---|---|---|
Naïve | 66 | None |
Hydrocortisone normal treatment | 96 | Hydrocortisone 0.75 to 3,0 mg/kg |
Injury control | 227 | Anesthesia, surgical procedure, fluid percussion injury and equal volume of saline |
Low-dose methylprednisolone treatment | 185 | Anesthesia, surgical procedure, fluid percussion injury and 0.25 to 1.0 mg/kg methylprednisolone |
Stress-dose hydrocortisone treatment | 120 | Anesthesia, surgical procedure, fluid percussion injury and 0.75 to 3.0 mg/kg hydrocortisone |