Table 4.

Temperature effect on platelet-rich plasma preparation method

	12°C	18°C	P value
PRP1 (300 × g, 5 minutes)
Platelet recovery (%)	90.6 ± 21.7	87.7 ± 22.8	1.0000
Platelet yield (fold)	3.1 ± 0.7	2.9 ± 0.6	0.5066
PRP1 volume (%)	26.7 ± 0.7	27.6 ± 1.9	0.7000
PRP2 (700 × g, 17 minutes)
Platelet recovery (%)	80.3 ± 26.6	86.0 ± 46.9	1.0000
Platelet yield (fold)	9.3 ± 2.6	8.8 ± 3.6	0.8248

Analysis of variance test (n = 3, α = 0.05). PRP1 platelet-rich plasma after the first blood centrifugation step, PRP2 platelet-rich plasma after the second centrifugation step.