Table 2.
c-MYC/BCL2 Protein co-Expression and Outcome of DLBCL Treated with Chemotherapy
| Clinical characteristics | c-MYC/BCL2 co-expression | Overall | ||||
|---|---|---|---|---|---|---|
| Yes | No | P value | n (%) | OS | EFS | |
| n (%) | n (%) | P value | P value | |||
| Age groups | ||||||
| Age < 60 | 19 (54.3) | 18 (50) | 0.718 | 52 (53.6) | 0.125 | 0.122 |
| Age ≥ 60 | 16 (45.7) | 18 (50) | 45 (47.4) | |||
| Ethnicity | ||||||
| Malay | 18 (51.4) | 18 (50) | 0.647 | 53 (54.6) | 0.961 | 0.758 |
| Chinese | 14 (40.0) | 14 (38.9) | 33 (34.0) | |||
| Indian | 2 (5.7) | 4 (11.1) | 9 (9.3) | |||
| Other | 1 (2.9) | 0 (0) | 2 (2.1) | |||
| Gender | ||||||
| Males | 16 (45.7) | 19 (52.8) | 0.552 | 52 (53.6) | 0.088 | 0.111 |
| Females | 19 (54.3) | 17 (47.2) | 45 (46.4) | |||
| Staging | ||||||
| I-II | 12 (34.3) | 16 (44.4) | 0.381 | 40 (41.2) | 0.007 | 0.008 |
| III-IV | 23 (65.7) | 20 (55.6) | 57 (58.8) | |||
| B Symptoms | ||||||
| No | 9 (25.7) | 11 (30.6) | 0.65 | 34 (35.1) | <0.001 | <0.001 |
| Yes | 26 (74.3) | 25 (69.4) | 63 (64.9) | |||
| Serum LDH | ||||||
| Normal | 8 (22.9) | 10 (27.8) | 0.634 | 29 (29.9) | <0.001 | <0.001 |
| Elevated | 27 (77.1) | 26 (72.2) | 68 (70.1) | |||
| IPI category | ||||||
| Low risk (score 0-2) | 15 (42.9) | 20 (55.6) | 0.285 | 58 (59.8) | <0.001 | <0.001 |
| High risk (score 3-5) | 20 (57.1) | 16 (44.4) | 39 (40.2) | |||
| Cell of origin | ||||||
| GCB | 7 (20) | 15 (41.7) | 0.048 | 25 (31.6) | 0.549 | 0.705 |
| Non-GCB | 28 (80) | 21 (58.3) | 54 (68.4) | |||
| c-MYC/BCL2 co-expression | ||||||
| No | - | - | - | 36 (50.7) | 0.038 | 0.049 |
| Yes | - | - | 35 (49.3) | |||
LDH, lactate dehydrogenase; IPI, International Prognostic Index; GCB, germinal center B-cell; OS, overall survival; EFS, event free survival.