Gastroenterology Research and Practice / 2019 / Article / Tab 1

Research Article

The Impact of Surgery on Long-Term Survival of Patients with Primary Gastric Diffuse Large B-Cell Lymphoma: A SEER Population-Based Study

Table 1

Baseline patient characteristics.

Before matchingAfter matching
VariableSurgery ()No surgery ()Surgery ()No surgery ()

Age0.1460.446
 <65127 (46.2%)1113 (46.9%)99 (47.1%)848 (50.5%)
 65-7475 (27.3%)533 (22.5%)48 (22.9%)396 (23.6%)
 ≤7573 (26.5%)726 (30.6%)63 (30%)436 (26%)
Gender0.3080.575
 Male152 (55.3%)1387 (58.5%)118 (56.2%)978 (58.2%)
 Female123 (44.7%)985 (41.5%)92 (43.8%)702 (41.8%)
Race0.0880.331
 White223 (81.1%)1815 (76.5%)175 (83.3%)1353 (80.5%)
 Other52 (18.9%)557 (23.5%)35 (16.7%)327 (19.5%)
Tumor location0.0240.136
 Upper third20 (7.3%)316 (13.3%)18 (8.6%)226 (13.5%)
 Mid and low third115 (41.8%)861 (36.3%)86 (41%)604 (36%)
Overlapping stomach33 (12%)259 (10.9%)28 (13.3%)191 (11.4%)
 Unknown location107 (38.9%)936 (39.5%)78 (37.1%)659 (39.2%)
Ann Arbor stage<0.0010.706
 I113 (41.1%)1054 (44.4%)102 (48.6%)770 (45.8%)
 II88 (32%)494 (20.8%)47 (22.4%)436 (26%)
 III12 (4.4%)199 (8.4%)9 (4.3%)78 (4.6%)
 IV62 (22.5%)625 (26.3%)52 (24.8%)396 (23.6%)
Radiation<0.0010.666
 Yes20 (7.3%)482 (20.3%)20 (9.5%)145 (8.6%)
 No255 (92.7%)1890 (79.7%)190 (90.5%)1535 (91.4%)
Chemotherapy<0.0010.894
 Yes175 (63.6%)1900 (80.1%)159 (75.7%)1279 (76.1%)
 No/unknown100 (36.4%)472 (19.9%)51 (24.3%)401 (23.9%)

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