From: Validation of the Fatigue Severity Scale in chronic hepatitis C
Hemoglobin
Female (g/dL)
Male (g/dL)
Normal
>12
>13.5
Mild (Grade 1)
11-12
12.5-13.5
Moderate (Grade 2)
9.5-10.9
10.5-12.4
Severe/life-threatening (Grade 3/4)
<9.5
<10.5