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Table 1 Baseline characteristics of the patients

From: Dynamic prediction of long-term survival in patients with primary gastric diffuse large B-cell lymphoma: a SEER population-based study

Variable 2647 (%)
Age
  < 65 1240 (46.8%)
 65–74 608 (23.0%)
  > 74 799 (30.2%)
Gender
 Male 1539 (58.1%)
 Female 1108 (41.9%)
Race
 White 2038 (77.0%)
 Other 609 (23.0%)
Tumor location
 Upper third 646(24.4%)
 Mid and low third 666(25.2%)
 Overlapping stomach 292 (11.0%)
 Stomach (NOS) 1043(39.4%)
Ann Arbor stage
 I 1167 (44.1%)
 II 582 (22.0%)
 III 211 (8.0%)
 IV 687 (26.0%)
Radiation
 Yes 502 (19.0%)
 No 2145 (81.0%)
Chemotherapy
 Yes 2075 (78.4%)
 No/Unknown 572 (21.6%)
Surgery
 Yes 275 (10.4%)
 No 2372 (89.6%)