There was no overall difference in NEAT performance ( 48 % [ 95 % CI 44 , 51 ] vs 41 % ( [ 95 % CI 37 , 45 ] vs 46 % [ 95 % CI 41 , 50 ] , P = 0.09 ) or ED length of stay ( P = 0.65 ) between SWAT , non-SWAT and standard of care control groups , respectively .