Table 4.

The clinical variables and their prognostic impact on five-year DFS and OS.

		DFS (%)	P valuea	OS (%)	P valuea
Gender	Female	76.4	0.7	84.1	0.6
	Male	81.2		81.9
Age	>60	77.9	0.4	75.5	0.04
	≤60	79.9		89.8
LDH	>240 mg	72.5	0.007	79.9	0.09
	Normal range	86.8		90.9
Symptoms	B symptoms present	82.3	0.4	79.2	0.2
	B symptoms absent	74		88.6
Lymphoma subtype	MALT	81.3	0.57	91.2	0.38
	Non-MALT	76.9		81.2
Karnofsky index	≥80	89.5	0.002	89.5	0.002
	<80	54.5		63.6
Stage	I/II, IIE	83.9	0.02	91.2	0.002
	IV	65.5		70.6
Treatment (for stage I/II, IIE)	Surgery	85.7	0.18	86.5	0.8
	Conservative	82.1		94

^aLong-rank test.

DFS: disease-free survival, OS: overall survival, LDH: lactate dehydrogenase, and MALT: mucosa associated lymphoid tissue.