. 2023 Nov 13;15(11):e48739. doi: 10.7759/cureus.48739

Table 2. Intragroup comparison of mean viability of MG-63 cells at various concentrations of I-PRF in chronic periodontitis patients at 24 hours.

I-PRF: Injectable Platelet-Rich Fibrin.

Different concentrations of I-PRF	Test Value = 0
	t	df	Sig. (2-tailed)	Mean Difference	95% Confidence Interval of the Difference
	t	df	Sig. (2-tailed)	Mean Difference	Lower	Upper
1%	825.723	20	0.000	98.91800	98.6681	99.1679
2%	606.704	20	0.000	97.78797	97.4518	98.1242
4%	500.912	20	0.000	96.51428	96.1124	96.9162
8%	365.164	20	0.000	95.34162	94.7970	95.8863
10%	381.324	20	0.000	94.23631	93.7208	94.7518
20%	334.139	20	0.000	93.10724	92.5260	93.6885