Table 1.
Variable | Risk 1 category | Risk 2 category | Risk 3 category |
---|---|---|---|
Age, years | <60, and | 60 to 70, or | >70, or |
Kidney function | Normal (MDRD ˃90), and | Moderate impairment (MDRD = 30–90), or | Sever impairment (MDRD ˂30), or |
Liver function | Normal (MELD ˂8) | Moderate impairment (MELD = 8–14) | Sever impairment (MELD ˃14) |
MDRD Modification of Diet in Renal Disease (surrogate for kidney function), MELD Model for End-Stage Liver Disease (surrogate for liver function)