Table A13. International prognostic index.

Item	Score 0	Score 1
ECOG, Eastern Cooperative Oncology Group; LDH, lactate dehydrogenase.
Age (year)	≤60	>60
ECOG score	0 or 1	2−4
Clinical stage	I or II	III or IV
No. of sites of extranodal invasion	<2	≥2
LDH	Normal	Rise