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

Table 3 Intragroup comparison of mean plaque scores obtained by using injectable platelet-rich fibrin + collagen membrane and collagen membrane at different time intervals

i-PRF + CM in mo	mean ± SD	P value	CM in mo	mean ± SD	P value
0	0.625 ± 0.151	0.001a	0	0.625 ± 0.154	0.001a
1	0.865 ± 0.134		1	0.835 ± 0.172
0	0.625 ± 0.151	0.204	0	0.625 ± 0.154	0.001a
3	0.6 ± 0.133		3	0.545 ± 0.139
0	0.625 ± 0.151	0.001a	0	0.625 ± 0.154	0.001a
6	0.54 ± 0.127		6	0.53 ± 0.134
1	0.865 ± 0.134	0.001a	1	0.835 ± 0.172	0.001a
3	0.6 ± 0.133		3	0.545 ± 0.139
1	0.865 ± 0.134	0.001a	1	0.835 ± 0.172	0.001a
6	0.54 ± 0.127		6	0.56 ± 0.134
3	0.6 ± 0.133	0.004a	3	0.545 ± 0.139	0.379
6	0.54 ± 0.127		6	0.56 ± 0.134

^aP < 0.01 statistically significant using paired t test.

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