Stratification of patients within IPSS subset by B2M level
IPSS category . | n . | Median survival, mo (95% CI) . | P . |
|---|---|---|---|
| Low risk | .05 | ||
| B2M 2 mg/L or less | 19 | NR (31.9, NR) | |
| B2M greater than 2 mg/L | 42 | 53 (11.8, NR) | |
| Intermediate-1 | < .01 | ||
| B2M 2 mg/L or less | 45 | NR (31.9, NR) | |
| B2M greater than 2 mg/L | 118 | 15 (12.6, 18.3) | |
| Intermediate-2 | .13 | ||
| B2M 2 mg/L or less | 50 | 16 (10.0, 32.7) | |
| B2M greater than 2 mg/L | 116 | 12 (8.1, 13.6) | |
| High | < .01 | ||
| B2M 2 mg/L or less | 36 | 16 (11.0, NR) | |
| B2M greater than 2 mg/L | 106 | 8 (5.3, 12.5) |
IPSS category . | n . | Median survival, mo (95% CI) . | P . |
|---|---|---|---|
| Low risk | .05 | ||
| B2M 2 mg/L or less | 19 | NR (31.9, NR) | |
| B2M greater than 2 mg/L | 42 | 53 (11.8, NR) | |
| Intermediate-1 | < .01 | ||
| B2M 2 mg/L or less | 45 | NR (31.9, NR) | |
| B2M greater than 2 mg/L | 118 | 15 (12.6, 18.3) | |
| Intermediate-2 | .13 | ||
| B2M 2 mg/L or less | 50 | 16 (10.0, 32.7) | |
| B2M greater than 2 mg/L | 116 | 12 (8.1, 13.6) | |
| High | < .01 | ||
| B2M 2 mg/L or less | 36 | 16 (11.0, NR) | |
| B2M greater than 2 mg/L | 106 | 8 (5.3, 12.5) |
NR indicates not reached.