From: Spinal anesthesia is a grossly underutilized gold standard in primary total joint arthroplasty: propensity-matched analysis of a national surgical quality database
Procedure
2011
2012
2013
2014
2015
2016
2017
2018
P Value
THA
36.7%
37.2%
35.2%
35.1%
36.5%
37.5%
36.2%
38.1%
< 0.001
TKA
40.5%
37.0%
35.5%
37.9%
39.6%
40.1%
40.2%
40.3%