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Table 1 Comparison of sample volumes and preparation volumes

From: In vitro immunological and biological evaluations of the angiogenic potential of platelet-rich fibrin preparations: a standardized comparison with PRP preparations

 

Platelet-poor plasma (PPP)

PPP clot

Platelet-rich plasma (PRP)

PRP clot

Platelet-rich fibrin exudate (PRFexu)

Platelet-rich fibrin extract (PRFext)

Platelet-rich fibrin (PRF) membrane

Starting blood sample volume (mL)

10a

10a

10a

10a

10

10

10

Resulting sample volume (mL) (vs. starting volume)

2.5 (1:4)

 

1 (1:10)

 

1 (1:10)

1 (1:10)

1b (1:10)

Relative condensation (fold)

1

 

2.5

 

2.5

2.5

 

Volume needed to mold a clot (mL) (vs. resulting sample volume)

 

0.25 (1:10)

 

0.2 (1:5)

   

Number of 5 × 5 × 1-mm membrane

 

10c

 

5c

  

5–7d

Relative condensation (fold)

 

1

 

2

  

1.4–2.0

  1. aThis sample volume does not include the volume of acid citrate dextrose solution (ACD; 1.5 mL)
  2. b(Acquired sample volume) = (blood sample volume) − (RBC fraction) − (serum volume)
  3. cEstimated number of membranes
  4. dAcquired number of membranes