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Table 2 The overall response rate and median survival between PD-L1 positive and negative groups across all cancer stages

From: Immunohistochemical expression and prognostic value of PD-L1 in Extrapulmonary small cell carcinoma: a single institution experience

 

PD-L1 positive (n = 12)

PD-L1 negative (n = 22)

P value

Received treatment

10 (83%)

16 (73%)

 

Response rates to treatment

8 (80%)

11 (67%)

0.67

Median overall survival (mo.)

11.5

7

0.34