Table 2. Comparison of gingival index, plaque index, probing pocket depths, and clinical attachment level improvements from baseline to 9 months in both study groups .

Time interval	Gingival index
	T-PRF (n=17)	L-PRF (n=17)	P-value
Baseline	1.71±0.44	1.46±0.48	0.134 (NS)
9 months	0.26±0.14	0.30±0.16	0.467 (NS)
P-value	<0.001*	<0.001*
Plaque index
Baseline	1.74±0.34	1.79±0.5	0.721 (NS)
9 months	0.45±0.36	0.71±0.38	0.051 (NS)
P-value	<0.001*	<0.001*
Probing pocket depths
	T-PRF	L-PRF	p-value
Baseline	8.65±1.50	8.18±1.29	0.333 (NS)
9 months	4.82±1.78	3.29±1.1	0.740(NS)
P-value	<0.001*	<0.001*
Clinical attachment level
Baseline	9.06±1.56	8.59±1.33	0.350 (NS)
9 months	4.12±1.58	4.35±1.46	0.654 (NS)
P-value	<0.001*	<0.001*

(*statistical significance; NS: Non-significant; n: sample size)