Anatomic distribution, clinical features, and survival data of 87 cases primary gastrointestinal lymphoma

Table 4 Risk factors associated with OS

Item	Case number	Expected average survival time	Univariate analysis			Multivariate analysis
			OS		P value	HR	P value
			1 year	3 year
Gender
Male	31	79.4	79	75	0.564
Female	33	89.4	85	79
Age
<60 years	37	87.5	83	80	0.216
≥60 years	27	77.9	80	71
Location
Stomach	45	96.5	89	84	0.03	Not significant
Intestines	19	34.9	62	50
Size
<5 cm	34	97.3	82	79	0.142
≥5 cm	30	70.8	82	74
Clinical stages
I + II	55	95.5	89	87	0.003	2.576 (1.024 3.809)	0.001
III + IV	9	20.0	38	0
Source of cells
Source of B cells	57	94.7	89	85	0.006	3.119 (1.524 6.384)	0.002
MALT	35	100.9	94	91
DLBCL	22	85.0	81	74
Source of T cells	5	14.6	36	0
EATL	5	14.6	36	0
Treatment methods
Surgery alone	22	80.9	81	72	0.604
Surgery combined other treatment	27	90.5	88	83
Non-operation	15	49.1	73	73

ISSN: 1477-7819