| 时间 | 平均光密度值 | F检验 | |
| F | P | ||
| 死后2 h | 0.486 × 10−3 (1.380 × 10−3) | x2 = 3.627 | P = 0.305 |
| 死后4 h | 0.462 × 10−3 (1.302 × 10−3) | ||
| 死后8 h | 0.463 × 10−3 (1.329 × 10−3) | ||
| 死后24 h | 0.502 × 10−3 (1.346 × 10−3) | ||