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Table 1 Correlation between CTLA4 and clinicopathological features in ccRCC

From: CTLA4 has a profound impact on the landscape of tumor-infiltrating lymphocytes with a high prognosis value in clear cell renal cell carcinoma (ccRCC)

Variables CTLA4low group CTLA4 high group χ2 P value
Age
 < 60 119 113 0.244 0.622
 ≥ 60 127 134   
Gender
 Female 97 72 3.971 0.046
 Male 150 175   
Grade
 1–2 126 89 12.465  < 0.001
 3–4 114 157   
Stage
 I–II 175 122 22.510  < 0.001
 III–IV 71 123   
Tumor status
 Negative 177 149 7.874 0.005
 Positive 55 84   
Vital status
 Alive 183 150 9.965 0.002
 Death 62 96