a)
Clinical parameter Definition Point
Fasting insulin (μU/ml) <10 0
  ≥10 1
Ferritin (ng/ml) <200 (female) or <300 (male) 0
  ≥200 (female) or ≥300 (male) 1
Type IV collagen 7S (ng/ml) <5 0
  ≥5 2
b)
Clinical parameter Definition Point
Fasting insulin (μU/ml) <10 0
  10-15 1
  ≥15 2
Ferritin (ng/ml) <200 (female) or <300 (male) 0
  ≥200 (female) or ≥300 (male) 1
Type IV collagen 7S (ng/ml) <5 0
  ≥5 2
Table 1: a) The criteria in the original NAFIC scoring system [6,10].
b) The criteria in the modified NAFIC scoring system [6,10].