Table 2. Baseline Characteristics of Patients.
| PD-1 Inhibitor (n=3284) | PD-L1 Inhibitor (n=2460) | P-value | |
|---|---|---|---|
| Median age (yrs) | 64 | 64.5 | 0.5 |
| Males (%) | 59 | 56 | 0.4 |
| Smokers (%) | 83 | 83 | 0.5 |
| Squamous histology | 25 | 32 | 0.6 |
| ECOG PS 0/1(%) | 31.5/68 | 32/68 | 0.2/0.4 |
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