Fig. 2

Relationship between FFAR4 expression and patient overall survival in patients with LUAD. A Kaplan–Meier plot of the expression level of FFAR4 in the overall cohort of patients with LUAD. B–I Subgroup analyses for patients with T stage: T3 and T4; N stage: N0, N1, and N2; M stage: M0; pathological stage: stage I, II, and III; pathological stage: stage II; residual tumor: R0 and R1; anatomic neoplasm subdivision: left; and age: ≤ 65 years old. J A nomogram that predicts the 1-, 3-, and 5-year survival rate of patients with LUAD