Table 1.

The sociodemographic and clinical characteristics

	Peptide Mean ± SD/n-%	Hyaluronic acid Mean ±.SD/n-% Med	PRP Mean ± SD/n-% Med	P
Age (years)	59.7 ± 6.8	55 1 ± 10.3	52. 7 ± 8.3	0.013*
Gender   Female   Male	14 77.8% 4 22.2%	14 77.8% 4 22.2%	16 88.9% 2 11.1%	0.612
BMI (kg/m2)	31.5 ± 4.6	31 .0 ± 4.9	28.3 ± 4.4	0.052
Education   Primary school   High school   University	15 83.3% 3 16.7% 0 0.0%	13 72.2% 2 11.1% 3 16.7%	7 38.9% 10 55.5% 1 5.6%	0.118
Job   Retired   Housewife   Others	4 22.2% 14 77.8% 0 0.0%	4 22.2% 11 61.1% 3 16.7%	2 11.1% 11 61.1% 5 27.8%	0.062
Kelgren Lawrence   II   III   IV	6 33.3% 7 38.9% 5 27.8%	5 27.8% 7 38.9% 6 33.3%	5 27.8% 8 44.4% 5 27.8%	0.987
ROM Knee circum.cm Knee 10 cm	103.9 ± 11.7 42.2 ± 3.1 47.9 ± 4.5	113.4 ± 11.9 42.7 ± 6.0 45.6 ± 7.2	108.3 ± 15.6 44.5 ± 4.5 47.6 ± 6.7	0.085 0.291 0.483
Crepitation Varus stress test Valgus stress test Mc Murray test	14 77.8% 4 22.2% 14 77.8% 2 11.1%	15 83.3% 2 11.1% 12 66.7% 0 0.0%	12 66.7% 6 33.3% 13 72.2% 1 5.6%	0.492 0.276 0.758 0.06