ALB and cancer: Analysis of the matched data (Table S1) revealed that compared to non‐cancer participants, the cancer group exhibited higher levels of NPAR with statistical significance (p = 0.014); however, variables such as age, gender, ethnicity, education, marital status, drinking, smoking, BMI, PIR, hyperlipidemia, albumin, neutrophil percent, neutrophil count, and lymphocyte count showed no statistically significant differences between the two groups after eliminating sample size discrepancies.