Length-of-stay is a critical cost- and best practice metric. What have studies shown as far as the effect of IV acetaminophen on LOS and ERAS across surgical procedures?

As you know, length-of-stay (LOS) is a critical cost- and best practice metric reflecting quality of care. In light of this, what have the studies shown as far as the effect of IV acetaminophen on LOS and ERAS benchmarks across the range of surgical procedures — colorectal, cardiovascular, orthopedic and others — and what are the implications?