Table 1.

Patient demographics (mean ± SD or frequencies).

Variable	CON (n = 19)	PRP (n = 17)	p
Age (year)	43.2 ± 11.7	52.8 ± 9.8	0.012
Sex
Male	14	14	0.532
Female	5	3
Operated side
Right	8	9	0.516
Left	11	8
BMI (kg/m2)	27.7 ± 4.2	26.0 ± 3.4	0.203

Abbreviations: BMI = body mass index; CON = control group; PRP = platelet-rich plasma.