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Multivariate Cox regression analysis indicated that the HV/W quartiles were significantly associated with an increased risk of death after percutaneous coronary intervention (PCI). CHF indicates congestive heart failure; eGFR, estimated glomerular filtration rate; HR, hazard ratio; HV/W, ratio of hydration volume to body weight; IABP, intra‐aortic balloon pump; LVEF, left ventricular ejection fraction; Q, quartile.
