Table 2.

CRP levels in group III before and after periodontal therapy (paired t-test)

C-RP	Mean ± S.D	Std. error mean	Mean difference	95% CI of the difference	t	P value
Group III
Before treatment	1.22 ± 0.250	0.0457	0.380	0.307, 0.453	10.69	0.000
After treatment	845 ± 0.189	0.0345	(<.001)

CI: Confidence interval