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clinical characteristics and PD-L1 expression statistics of patients.
| PD-L1 expression | High (N = 29) | Intermediate (N = 54) | Negative (N = 150) | P-value |
|---|---|---|---|---|
| Total 233 patients, 235 lesions | No. (12.4%) | No. (23.2%) | No. (64.4%) | 0.13 |
| Age (median, range) | 62 (26-76) | 57 (32-79) | 60 (24-81) | |
| Gender | ||||
| Female | 10 | 29 | 90 | |
| Male | 19 | 25 | 60 | 0.039 |
| Stage | ||||
| I (n=70) | 2 | 11 | 57 | |
| II (n=23) | 4 | 9 | 10 | |
| III (n=49) | 10 | 15 | 24 | |
| IV (n=91) | 13 | 19 | 59 | 0.001 |
