Table 1.
Baseline Characteristics (N = 298)
| Characteristics | No. (%) |
|---|---|
| Age, years | |
| Median | 65 |
| Range | 21-93 |
| Male sex | 182 (61) |
| ECOG performance status | |
| 0 | 207 (70) |
| 1 | 84 (28) |
| 2 | 6 (2) |
| 3 | 1 (0.3) |
| 4 | 0 (0) |
| M stage | |
| M0 | 29 (10) |
| M1a | 34 (11) |
| M1b | 74 (25) |
| M1c | 161 (54) |
| Lactate dehydrogenase level | |
| ≤ Upper limit of normal range | 160 (54) |
| > Upper limit of normal range | 83 (28) |
| Unknown | 55 (18) |
| CNS metastases at baseline | 56 (19) |
| Previous systemic therapy | 105 (35) |
| No. of doses of ipilimumab | |
| Median | 4 |
| Range | 1-8 |