Univariate overall survival analysis for ipilimumab levels as a categorical or continuous variable
| Univariate analysis | ||||
| HR | Lower 95% CI | Upper 95% CI | P value | |
| ipi week 7 | ||||
| ≤16.30 (μg/mL) | Reference | |||
| >16.30 | 0.33 | 0.16 | 0.68 | 0.003 |
| ipi week 12 | ||||
| ≤24.17 (μg/mL) | Reference | |||
| >24.17 | 0.40 | 0.19 | 0.88 | 0.023 |
| Log_10 ipi week 7 | 0.20 | 0.05 | 0.78 | 0.020 |
| Log_10 ipi week 12 | 0.56 | 0.20 | 1.55 | 0.264 |
ipi, ipilimumab.