Patient-relevant outcomes following elective, aseptic revision knee arthroplasty: a systematic review

Table 2 Studies reporting on mortality after rKA

Study^a	Study design	Timepoint	No. rKA	No. Deaths	Mortality rate
Memtsoudis et al. (2008) [54]	Retrospective observational (NHDS)	Immediate (“in hospital”)	33,4155	560	0.20%
Dai et al. (2020) [35]	Retrospective observational (NIS)	Immediate (“in hospital”)	5187	14	0.30%
Boddapati et al. (2017) [27]	Retrospective observational (NSQIP)	Immediate (30 days)	10,584	NS	0.16%
Yao et al. (2018) [26]	Retrospective observational (single centre)	Early (1 year)	3138	NS	1-2%^b

NS not specified, NHDS National Hospital Discharge Survey, NIS Nationwide Inpatient Sample, NSQIP American College of Surgeons National Surgical Quality Improvement Program, rKA revision total knee arthroplasty
^aSorted by timepoint of assessment, then study size
^bFor indications other than fracture and infection

ISSN: 2046-4053