Table 4.

Comparison between the number of colony forming units at two locations among the three groups

Group	Mean difference	SE of difference	95% CI	P
CHX	11.90	1.51	8.84-14.97	0.001*
PVP-I	11.80	2.17	7.40-16.19	0.001*
AV	12.65	1.96	8.69-16.60	0.001*

Independent t-test,*Significant P<0.05. CHX – Chlorhexidine; PVP-I – Povidone iodine; AV – Aloe vera; CI – Confidence interval; SE – Standard error; P – Probability