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

Table 1 Demographic characteristics and mean values of clinical parameters

Demographic characteristics		Test, mean ± SD	Control, mean ± SD
Sex
Male	7
Female	6
Age	36.7 ± 12.44
PI		0.625 ± 0.151	0.625 ± 0.154
GI		0.625 ± 0.164	0.625 ± 0.65
PD		1.75 ± 0.444	2.05 ± 0.6
RD		2.7 ± 0.86	2.9 ± 0.71
RW		3.5 ± 0.6	3.7 ± 0.73
RAL		7.3 ± 0.8	7.05 ± 0.82
KTW		1.6 ± 0.5	1.35 ± 0.48
KTT		1.64 ± 0.237	1.61 ± 0.201

GI: Gingival index; KTT: Keratinised tissue thickness; KTW: Keratinised tissue width; PD: Pocket depth; PI: Plaque index; RAL: Relative attachment level; RD: Recession depth; RW: Recession width.