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

Table 7 Intragroup comparison of mean pocket depth scores obtained by using injectable platelet-rich fibrin + collagen membrane and collagen membrane at different time intervals using paired t test

i-PRF + CM in mo	mean ± SD	P value	CM in mo	mean ± SD	P value
0	1.75 ± 0.444	0.001a	0	2.05 ± 0.6	0.001a
1	2.65 ± 0.489		1	2.8 ± 0.83
0	1.775 ± 0.444	0.01a	0	2.05 ± 0.6	0.002a
3	2.05 ± 0.223		3	2.1 ± 0.3
0	1.75 ± 0.444	1.0	0	2.05 ± 0.6	0.08
6	1.75 ± 0.444		6	1.95 ± 0.223
1	2.65 ± 0.489	0.001a	1	2.8 ± 0.83	0.748
3	2.05 ± 0.223		3	2.1 ± 0.6
1	2.65 ± 0.489	0.001a	1	2.8 ± 0.83	0.428
6	1.75 ± 0.444		6	1.95 ± 0.223
3	2.45 ± 0.223	0.01a	3	2.1 ± 0.3	0.001a
6	1.75 ± 0.444		6	1.95 ± 0.223

^aP < 0.01 statistically significant.

Level of significance at P < 0.05. CM: Collagen membrane; i-PRF: Injectable platelet-rich fibrin.