Review
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 14, 2011; 17(6): 697-707
Published online Feb 14, 2011. doi: 10.3748/wjg.v17.i6.697
Table 4 International prognostic index
Adverse risk factors
Age > 60 yr
≥ 2 extranodal sites
Ann arbor stage III-IV
Performance status ≥ 2 (ECOG)
High lactate dehydrogenase
Risk
Low (n = 0-1)
Low-intermediate (n = 2)
High-intermediate (n = 3)
High (n = 4-5)