Table 3.

The mean differences between the antimicrobial activities of experimental groups against E. faecalis. G1 represents the triple antibiotic mixture, G2 is the I-PRF containing triple antibiotic mixture, and G3 means the antibiotic-free I-PRF scaffold.

Bacterial species	Group (I)		Group (J)	Mean differences (I–J) ± SD	p value
	Group number	Mean ± SD	Group number
E. faecalis	G1	3.364 ± 0.124	G2	−0.033 ± 0.054	0.814
			G3	0.923 ± 0.054	≤0.001∗
	G2	3.4 ± 0.091	G1	0.033 ± 0.054	0.814
			G3	0.956 ± 0.054	≤0.001∗
	G3	2.441 ± 0.105	G1	−0.923 ± 0.054	0.004∗
			G2	−0.956 ± 0.054	≤0.001∗
Total	3.067 ± 0.464				≤0.001∗

SD: standard deviation. ^∗Significant difference (p value < 0.05).