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Fig. 2 | BMC Cancer

Fig. 2

From: The prognostic value of PKM2 and its correlation with tumour cell PD-L1 in lung adenocarcinoma

Fig. 2

Correlation of PKM2 with PD-L1 in lung adenocarcinoma. (a) Correlation between PKM2 and PD-L1 mRNA expression in The Cancer Genome Atlas (TCGA) lung adenocarcinoma (LUAD) cohort (n = 506) (P = 0.003). (b) PD-L1 expression in patients with high PKM2 (n = 441) and low PKM2 (n = 65) expression (P < 0.001). (c) The chi-square test was employed to assess the correlation between PKM2 and PD-L1 expression in samples as categorical variables. (d) Spearman’s rank correlation analysis was used to evaluate the strength of the association between PKM2 scores and PD-L1 expression in the tumour cells as continuous variables. *P < 0.05, **P < 0.01. A box-and-whisker plot was used to represent the data. The box plot represents the first (lower bound), median and third (upper bound) quartiles

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