Research Article
Primary Non-Hodgkin’s Lymphoma of Stomach: To Report 54 Patients and Analysis of Major Reported Series
Table 3
The stratified log-rank test analysis of prognostic factors for histologic subtypes.
| Prognostic factors | Patients’ number | 5-year OS (%) | value | DLBC | MALT |
| WHO performance score | | | | | 0-1 | 45 | 67.0 | 90.9 | <0.001 | 2 | 5 | 00.0 | 00.0 | 3 | 4 | 00.0 | 50.0 | Sex | | | | | Female | 29 | 59.8 | 72.9 | 0.985 | Male | 25 | 58.6 | 83.3 | Age | | | | | ≤50 years | 28 | 74.9 | 88.9 | 0.021 | >50 years | 26 | 36.2 | 60.0 | Ann Arbor stage | | | | | I | 33 | 64.7 | 90.0 | 0.039 | II | 15 | 73.3 | 50.0 | III-IV | 6 | 00.0 | 50.0 | Primary tumor size | | | | | 1–5 cm | 13 | 57.1 | — | 0.107 | 6–9 cm | 21 | 72.1 | — | ≥10 cm | 20 | 63.6 | 57.1 | B symptoms | | | | | No | 36 | 73.2 | 81.8 | 0.025 | Yes | 18 | 35.4 | 66.7 | Serum LDH level | | | | | Normal | 34 | 94.7 | 87.5 | <0.001 | Elevated | 20 | 21.4 | 66.7 | Treatment modality | | | | | Surgery + CT ± RT | 44 | 53.8 | 82.5 | 0.502 | CT and/or RT | 10 | 87.5 | 50.0 | IPI | | | | | 0-1 risk factor | 35 | 87.0 | 90.9 | <0.001 | 2 risk factor | 6 | 20.0 | — | ≥3 risk factor | 13 | 00.0 | 33.3 |
| All patients | 54 | 59.5 | 77.9 | 0.405 |
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DFS: disease-free survival; OS: overall survival; CT: chemotherapy; RT: radiotherapy; IPI: International Prognostic Index.
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