Table 1

Included studies and characteristics

Author, yearCountrySample sizePredictorOutcomesSurgeryFollow-up durationQuality
score
AbdelSalam et al, 201224 USA210ObesityComplicationsTotal hip and knee arthroplasty9 yearsFair
Amin et al, 200626 UK328ObesityComplications; disabilityTotal knee replacement6, 18, 36 and 60 monthsPoor
Amin et al, 200625 Scotland82ObesityComplicationsTotal knee replacement38.5 monthsPoor
Andrew et al, 200827 England1059ObesityComplications; disabilityTotal hip arthroplasty3, 12, 24, 36 and 60 monthsPoor
Sadr Azodi et al, 200629 Italy3309ObesityComplicationsTotal hip replacement6–9 yearsFair
Sadr Azodi et al, 200828 Italy2106ObesityComplicationsTotal knee arthroplasty2 yearsFair
Baker et al, 201230 England13 673ObesityComplications; disabilityTotal hip arthroplasty6 monthsFair
Belmont et al, 201431 USA17 514ObesityComplicationsTotal knee arthroplasty1 monthFair
Belmont et al, 201432 USA15 321ObesityComplicationsTotal knee arthroplasty1 monthFair
Bozic et al, 201234 USA40 919ObesityComplicationsTotal hip arthroplasty10 yearsFair
Bozic et al, 201233 USA83 011ObesityComplicationsTotal knee arthroplasty10 yearsFair
Chee et al, 201035 UK106ObesityComplications; disabilityTotal hip arthroplasty6, 18, 36 and 60 monthsGood
Chesney et al, 200836 Scotland1278ObesityComplicationsTotal knee arthroplasty6, 18 and 60 monthsPoor
Collins et al, 201237 UK385ObesityComplications; disabilityTotal knee arthroplasty6 and 18 months
3, 6 and 9 years		Poor
Davis et al, 201138 Canada931ObesityPainTotal hip and knee arthroplasty2 weeks
1, 3, 6 and 12 months		Fair
Dewan et al, 200939 USA220ObesityComplications; disabilityTotal knee arthroplasty5.4 yearsPoor
Dowsey and Choong, 200885 Australia1207ObesityComplicationsHip arthroplasty1 yearPoor
Dowsey et al, 201040 Australia471ObesityComplications; pain; disabilityTotal hip arthroplasty1 yearGood
Font-Vizcarra et al, 201141 Spain402ObesityComplicationsTotal hip arthroplasty3 monthsFair
Friedman et al, 201342 USA12 355ObesityComplicationsHip and knee arthroplasty2 monthsPoor
Gandhi et al, 201043 Canada1224ObesityPain; disabilityTotal hip arthroplasty1 yearGood
Hamoui et al, 200644 USA63ObesityDisabilityTotal knee arthroplasty11.3 yearsPoor
Heiberg et al, 201345 Norway64ObesityPainTotal hip arthroplasty3 and 12 monthsGood
Ibrahim et al, 200546 UK343ObesityComplicationsTotal hip arthroplasty1 yearPoor
Jackson et al, 200947 Australia100ObesityComplications; pain; disabilityTotal knee replacement9.2 yearsPoor
Jameson et al, 201448 UK5535ObesityDisabilityHip arthroplasty6 monthsFair
Jämsen et al, 201050 Finland2647ObesityComplicationsTotal knee arthroplasty1 yearGood
Jämsen et al, 201249 Finland7181ObesityComplicationsTotal knee arthroplasty1 yearGood
Järvenpää et al, 201051 Finland100ObesityComplications; painTotal knee arthroplasty3 monthsPoor
Järvenpää et al, 201252 Finland52ObesityPain; disabilityTotal knee arthroplasty10.8 yearsPoor
Judge et al, 201053 UK908ObesityDisabilityHip replacement1 yearPoor
Kandil et al, 201554 USA15 770ObesityComplicationsUnicompartmental knee arthroplasty3 monthsPoor
Kessler and Käfer, 200755 Germany67ObesityDisabilityTotal hip replacement10 days and 3 monthsGood
Kim et al, 201156 South Korea227ObesityComplicationsTotal knee arthroplasty6 monthsPoor
Kort et al, 200757 Netherlands46ObesityComplicationsUnicompartmental knee replacement2 yearsPoor
Ledford et al, 201458 USA316ObesityComplicationsTotal hip and knee arthroplasty2 monthsPoor
Liabaud et al, 201359 USA273ObesityComplicationsTotal knee arthroplasty3 and 12 monthsPoor
Liljensøe et al, 201360 Denmark197ObesityPain; disabilityTotal knee arthroplasty4 yearsPoor
Lübbeke et al, 200762 Switzerland2495ObesityComplications; disabilityTotal hip arthroplasty5 yearsGood
Lübbeke et al, 200762 Switzerland325ObesityDisabilityTotal hip arthroplasty5 yearsGood
Mackie et al, 201563 UK1821ObesityComplications; pain; disabilityTotal knee arthroplasty1 yearPoor
Madsen et al, 201464 USA79ObesityComplicationsTotal knee arthroplasty10 yearsPoor
Maisongrosse et al, 201565 France502ObesityComplicationsTotal hip arthroplasty58 monthsPoor
McLaughlin and Lee, 200666 USA198ObesityComplicationsTotal hip replacement14.5 yearsPoor
Michalka et al, 201267 UK191ObesityComplications; pain; disabilityHip arthroplasty6 weeksPoor
Murray et al, 201368 UK2438ObesityComplications; disabilityUnicompartmental knee replacement1 yearPoor
Naal et al, 200969 Switzerland83ObesityPain; disabilityTotal knee arthroplasty6 weeks
3, 12 and 24 months		Poor
Namba et al, 200570 USA1813ObesityComplicationsTotal hip and knee arthroplasty1 yearPoor
Napier et al, 201471 UK100ObesityComplications; disabilityTotal knee arthroplasty3 and 12 monthsPoor
Naylor et al, 200872 Australia99ObesityPainTotal hip and knee arthroplasty2, 6, 12, 26 and 52 weeksGood
Ollivier et al, 201273 France210Physical activityDisabilityTotal hip arthroplasty10 yearsFair
Patel and Albrizio, 200874 UK527ObesityComplicationsTotal knee replacement4 weeks, 6 weeks and 1 yearGood
Pietschmann et al, 201375 Germany171Physical activityDisabilityUnicompartmental knee arthroplasty4.2 yearsPoor
Poortinga et al, 201476 Netherlands658Physical activityDisabilityTotal hip and knee arthroplasty1 yearGood
Pulido et al, 200877 USA9245ObesityComplicationsTotal hip and knee arthroplasty1 yearFair
Rajgopal et al, 200878 Canada760ObesityComplications; disabilityTotal knee arthroplasty1 yearFair
Sechriest et al, 200779 USA34Physical activityDisabilityTotal hip arthroplasty5 yearsPoor
Aranda Villalobos et al, 201380 Spain63ObesityPain; disabilityTotal hip arthroplasty3 monthsGood
Vogl et al, 201481 Germany281ObesityDisabilityTotal hip arthroplasty6 monthsPoor
Wang et al, 201082 USA97ObesityDisabilityTotal hip arthroplasty3 months
1 and 2 years		Fair
Yasunaga et al, 200983 Japan3577ObesityComplicationsTotal knee arthroplasty5 monthsFair
Zhang et al, 201284 China714ObesityComplications; disabilityTotal hip arthroplasty5 yearsPoor