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Table 1 Semi-quantitative estimation of bacterial growth (CFU/ml)

From: Leukocyte presence does not increase microbicidal activity of Platelet-rich Plasma in vitro

Number of quadrant Colony count
1st quadrant 0 1-4 ≥5 ≥5 ≥5 ≥5
2nd quadrant    <5 ≥5 ≥5 ≥5
3rd quadrant     <5 ≥5 ≥5
Appendix      0 ≥1
Approximate growth (CFU/ml) <103 103 104 105 106 >106
  1. Bacterial growth was determined by the number of colonies detected on each agar plate