Table 7.

Dynamic Changes of Lung Tissue CINC mRNA Expression Before and After Inoculation of P. aeruginosa in Two Groups of Rats

Time point (h)	Young group (CINC/GAPDH, mean ± SD)	Aged group (CINC/GAPDH, mean ± SD)	t a	P value
0	0.52 ± 0.41	0.13 ± 0.05	1.194	0.104
2	1.25 ± 0.34	0.26 ± 0.14	5.393	0.002
6	2.52 ± 0.55	0.45 ± 0.25	6.831	0.002
9	2.05 ± 0.58	0.84 ± 0.58	2.939	0.026
12	1.88 ± 0.16	1.55 ± 0.76	0.720	0.511
24	0.94 ± 0.12	1.01 ± 1.14	−0.109	0.920

Data presented as mean ± SD

^aNon-parametric test