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Baseline group differences between cannabis non-users (−) and users (+) based on re-analysis of the reported data in [8] (A,B) Age (A); smoking (B); and [9] (C,D) whether immunotherapy was received as a second-line treatment; (C) liver metastasis (D). # chi-square p ≤ 0.061, * chi-square p < 0.05, ** t-test p < 0.005, *** chi-square p < 0.0001.
