Comparison of treatment histories among the two patient subgroups defined by hierarchical cluster analysis
| . | Ribosomal cluster . | Other patients . |
|---|---|---|
| No treatment (%) | 14 of 20 (70) | 23 of 54 (43) |
| Minimal treatment (%) | 5 of 20 (25) | 14 of 54 (26) |
| Continuous chemotherapy or chemotherapy with 2 or more agents or regimens (%) | 1 of 20 (5) | 17 of 54 (31) |
| P = .041 |
| . | Ribosomal cluster . | Other patients . |
|---|---|---|
| No treatment (%) | 14 of 20 (70) | 23 of 54 (43) |
| Minimal treatment (%) | 5 of 20 (25) | 14 of 54 (26) |
| Continuous chemotherapy or chemotherapy with 2 or more agents or regimens (%) | 1 of 20 (5) | 17 of 54 (31) |
| P = .041 |
Minimal treatment was defined as less than 6 months of therapy in the years of follow-up.5 P was calculated using χ2 analysis.
See also Figure 2.