“…In that same study, Black patients were also less likely to receive an intervention of any kind, even after stratifying by PE severity. In addition to patient characteristics associated with IVCF use, previous studies have shown significant variation in IVCF placement at the hospital level [16,29]. Although we did not find significant differences by race and facility ACO status, variations in IVCF placement and retrieval by the site of VTE service were observed, suggesting that facility practices and characteristics may play a role in the use of IVCFs.…”