Table 1.
Acute Physiological and Neurological Parameters After Contusive Trauma in the 17-Day-Old Rat
| Status | Survival time (days) | n | Apnea (sec) | Righting reflex (sec) | Fractures (%) | Hematoma (%) | Herniation (%) |
|---|---|---|---|---|---|---|---|
| Sham | 1 | 5 (3m, 2f) | NA | 130 ± 36 | NA | NA | NA |
| Sham | 3 | 5 (2m, 3f) | NA | 137 ± 50 | NA | NA | NA |
| Sham | 8 | 16 (7m, 9f) | NA | 153 ± 65 | NA | NA | NA |
| Sham | 18 | 16 (8m, 8f) | NA | 130 ± 52 | NA | NA | NA |
| 3-mm impact | 1 | 6 (3m, 3f) | 8 ± 2 | 127 ± 48 | 100 | 100 | 0 |
| 3-mm impact | 3 | 4 (2m, 2f) | 7 ± 2 | 67 ± 40 | 100 | 100 | 0 |
| 3-mm impact | 8 | 17 (9m, 8f) | 7 ± 1 | 119 ± 42 | 100 | 76 | 24 |
| 3-mm impact | 18 | 16 (8m, 8f) | 7 ± 2 | 85 ± 63 | 100 | 75 | 25 |
| 4-mm impact | 1 | 4 (2m, 2f) | 13 ± 2 | 221 ± 60 | 100 | 100 | 100 |
| 4-mm impact | 3 | 4 (2m, 2f) | 10 ± 2 | 167 ± 73 | 100 | 50 | 50 |
| 4-mm impact | 8 | 11 (5m, 6f) | 10 ± 3 | 248 ± 61 | 100 | 100 | 100 |
| 4-mm impact | 18 | 14 (8m, 6f) | 10 ± 4 | 146 ± 73 | 100 | 100 | 100 |
m, male; f, female.