- AFP was divided 4 levels: AFP ≤ 25IU / ml, AFP> 25 - 200 IU / ml, AFP> 200 - 400 IU / ml, AFP> 400 IU / ml (1IU / ml = 0.92ng / ml).
- AFP chia 4 mức độ: AFP ≤ 20 ng / ml, AFP > 20 - 200 ng / ml, AFP > 200-400 ng / ml, AFP > 400 ng / ml. (quy đổi 1 IU / ml = 0,92 ng / ml).