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Kaplan-Meier analyses of PFS according to the TACE-A group and TACE-AP group in the crude cohort (a), PSM cohort (b), and sIPTW cohort (c). PFS, progression-free survival; PSM, propensity score matching; sIPTW, stabilized inverse probability of treatment weighting; TACE, transarterial chemoembolization; TACE-A, TACE combined with apatinib; TACE-AP, TACE combined with apatinib and PD-1 inhibitors.
