BioMed Research International / 2018 / Article / Tab 1

Review Article

Bilateral Hip Arthroplasty: When Is It Safe to Operate the Second Hip? A Systematic Review

Table 1

Quality assessment for observational studies.

Domains
Bias due to confoundingBias in selection of participants in the studyBias in classification of interventionsBias due to deviations from intended interventionBias due
to missing data
Bias in measurement of outcomesBias in selection of the reported resultOverall risk of bias

Eggli et al. 1996CriticalCriticalSeriousModerateLowModerateModerateCritical
Alfaro-Adrián et al. 1999CriticalCriticalSeriousModerateLowModerateModerateCritical
Parvizi et al. 2006CriticalCriticalSeriousModerateLowModerateModerateCritical
Berend et al. 2007CriticalCriticalSeriousModerateLowModerateModerateCritical
Hooper et al. 2009CriticalCriticalModerateModerateLowSeriousModerateCritical
Aghayev et al. 2010CriticalCriticalModerateModerateLowModerateModerateCritical
Saito et al. 2016CriticalCriticalModerateModerateLowModerateModerateCritical
Johnston et al. 2011CriticalCriticalModerateModerateLowModerateModerateCritical
Lindberg-Larsen et al. 2013SeriousCriticalModerateModerateLowModerateModerateSerious
Rasouli et al. 2014ModerateModerateModerateModerateLowModerateModerateModerate
Garland et al. 2015ModerateModerateModerateModerateLowLowLowModerate
Quadri et al. 2015CriticalCriticalSeriousModerateLowSeriousModerateCritical