Table 2.

Effects of four different centrifugation forces for one-step platelet-rich plasma preparation with and without carprofen (N = 12)

Force, xg	Platelet concentration, X 103 cell/μl	Platelet fold-increase	Recovery, %	Coefficient of variance, %
Without carprofena
300	391.75 ± 49.55***	2.02 ± 0.28***	56.70 ± 5.22***	0.82
500	328.17 ± 55.36***	1.74 ± 0.16***	69.87 ± 3.84***	1.38
700	290.75 ± 56.69*	1.54 ± 0.17*	83.00 ± 4.70**	1.70
900	260.13 ± 44.85	1.38 ± 0.12	88.66 ± 3.49	1.71
With carprofenb
300	1556.10 ± 339.55***	8.19 ± 0.84***	89.39 ± 7.08***	1.87
500	948.50 ± 261.40	4.95 ± 0.76	97.80 ± 1.72	1.78
700	552.29 ± 187.22***	2.87 ± 0.63***	86.19 ± 2.71***	2.42
900	447.13 ± 116.64***	2.34 ± 0.33***	82.80 ± 3.88***	2.23

^aCompared with the optimal centrifugation force of 900 xg. ^b Compared with the optimal centrifugation force of 500 xg. Platelet concentration, increase and % recovery expressed as mean ± standard deviation. g = gravitational force. *p < 0.05, **p < 0.01, and ***p < 0.001 in post-hoc tests