Table 3. Effect of 20% PRGF on sperm parameters in thawed samples. Comparison of the samples with 20% PRGF 15, 30 and 45 minutes after thawing with a control aliquot without PRGF 45 minutes. Values are expressed as mean and standard deviation (SD). MD= Mean of the differences between pairs.
Parameter Control 45’ Post PRGF MD Control
t=15’ t=30’ t=45’ t45’vs 15’ PRGF (95% CI) t45’ vs 30’ PRGF (95% CI) t45’ vs 45’ PRGF (95% CI)
Concentration (million/mL), Mean (SD) 28.0 (14.9) 21.4 (13.7) 22.0 (13.4) 23.9 (13.3) 6.2 (3.426; 8.974) 5.64 (3.426; 8.974) 4.04 (3.426; 8.974)
Progressive motility (%), Mean (SD) 22.5 (7.52) 24.0 (9.32) 22.3 (8.84) 23.1 (10.8) -1.96 (-4.569; 0.649) 0.08 (-4.569; 0.649) -0.88 (-4.569; 0.649)
Non-progressive motility (%), Mean (SD) 6.36 (3.05) 7.23 (3.49) 7.92 (3.73) 7.50 (3.04) -0.92 (-2.398; 0.558) -1.48 (-2.398; 0.558) -1.12 (-2.398; 0.558)
Immotile sperm (%), Mean (SD) 70.3 (7.88) 68.5 (10.6) 69.7 (9.77) 69.1 (12.5) 2.32 (-0.639; 5.279) 0.64 (-0.639; 5.279) 1.44 (-0.639; 5.279)
Vitality (%), Mean (SD) 30.8 (10.8) 29.6 (10.5) 30.0 (11.4) 28.2 (12.4) 0.88 (-1.246; 3.006) 0.36 (-1.246; 3.006) 2.84 (-1.246; 3.006)

PRGF, Plasma Rich Growth Factor.