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Study cohort. IP/IV, intraperitoneal and intravenous; NCCN, National Comprehensive Cancer Network. (*) Propensity scores were overlapping (within 0.5%) for all but one patient who received IP/IV chemotherapy. For the rest of the patients who received IP/IV chemotherapy (n = 201), we obtained one matching patient who received IV chemotherapy using single nearest-neighbor without replacement.
