Dataset.

The raw data is available in S1 Table. The raw dataset recorded demographic information of participants, such as age, sex (M for male and F for female), ethinicity, body mass index, smoking history and diagnosis. For smoking history, the code of “1” represents “current smoker”; the code of “0” represents “never smoked”; the code of “10” represents “smoking quitted”. For diagnosis of diabetes and hypertension, the code of “1” represents “diagnosed with diabetes or hypertension”; the code of “0” represents “not diagnosed with diabetes or hypertension”. The dataset also included pathological diagnosis of renal tumors, such as tumor subtypes, tumor stage, tumor grade, tumor size and whether there was a presence of metastasis (the code of “1” represents “diagnosed with distant metastasis”; the code of “0” represents “not diagnosed with distant metastasis”). Additionally, the average grey value and proportion of positive pixels of the staining in different tissues were presented. Abbreviation: T_proportion: proportion of positive pixels in tumor tissues; T_avegrey: staining intensity in tumor tissues; N_proportion: proportion of positive pixels in normal renal tissues; N_avegrey: staining intensity in normal renal tissues; F_proportion: proportion of positive pixels in fat tissues; F_avegrey: staining intensity in fat tissues.
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