Table 2

Test data source and data extraction (length of stay (LOS)) of included studies

StudiesYearCountryLanguageSurgical siteTotal numbersLOS (day)
ERASNon-ERASERASNon-ERAS
Auyong DB5 2015United StatesEnglishTKA1261262.34±0.973.19±0.27
Christelis N6 2015AustraliaEnglishTHA\TKA2974124.9±1.65.3±1.6
denHertog A7 2012GermanyEnglishTKA74736.7513.2
MaempelJF8 2015EnglandEnglishTKA84813±2.144±2.16
Malviya A9 2011EnglandEnglishTHA\TKA150030004.8±38.5±6
McDonald DA10 2012EnglandEnglishTKA10817354±26±3
Scott NB11 2013EnglandEnglishTHA\TKA40587355
Stambough JB12 2015United StatesEnglishTHA4882812±14±1
Stowers MD13 2016New ZealandEnglishTHA\TKA1001004±25±2
Talboys R14 2016FranceEnglishTHA50508.5±9.47±11.2
  • ERAS, enhanced recovery after surgery; THA, total hip arthroplasty; TKA, total knee arthroplasty.