Table 8.
Dynamic Changes of Lung Tissue MCP-1 mRNA Expression Before and After Inoculation of P. aeruginosa in Two Groups of Rats
| Time point (h) | Young group (MCP-1/GAPDH, mean ± SD) | Aged group (MCP-1/GAPDH, mean ± SD) | t a | P value |
|---|---|---|---|---|
| 0 | 0.56 ± 0.18 | 0.28 ± 0.10 | 2.705 | 0.035 |
| 2 | 0.84 ± 0.11 | 0.59 ± 0.05 | 3.722 | 0.014 |
| 6 | 1.28 ± 0.09 | 0.83 ± 0.06 | 7.308 | 0.001 |
| 9 | 2.22 ± 0.32 | 1.26 ± 0.20 | 4.377 | 0.012 |
| 12 | 1.74 ± 0.13 | 1.87 ± 0.56 | −0.409 | 0.720 |
| 24 | 1.42 ± 0.02 | 2.28 ± 1.12 | −1.326 | 0.316 |
Data presented as mean ± SD
aNon-parametric test