Comparative evaluation of effect of injectable platelet-rich fibrin with collagen membrane compared with collagen membrane alone for gingival recession coverage

Table 6 Intergroup comparison of mean pocket depth scores between injectable platelet-rich fibrin + collagen membrane and collagen membrane at different time intervals using unpaired t test

Time (mo)	Group	n	mean ± SD	P value
0	i-PRF + CM	20	1.75 ± 0.44426	0.082
	CM	20	2.05 ± 0.60481	NS
1	i-PRF + CM	20	2.65 ± 0.48936	0.492
	CM	20	2.8 ± 0.83351	NS
3	i-PRF + CM	20	2.05 ± 0.22361	0.560
	CM	20	2.1 ± 0.30779	NS
6	i-PRF + CM	20	1.75 ± 0.44426	0.080
	CM	20	1.95 ± 0.22361	NS

Level of significance at P < 0.05. CM: Collagen membrane; i-PRF: Injectable platelet-rich fibrin; n: Number of frequency; NS: Not significant.