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Table 2 Characteristics of the included studies

From: Effect of chronic kidney disease on total knee arthroplasty outcomes: a meta-analysis of matched control studies

Study Study Design No. of Patients CKD Non-CKD Mean Age (y) Female Gender
(%)
Follow-Up
mean (range) (y)
Stage of CKD Method to identify CKD Outcome Measures
CKD non-CKD
McCleery 2010 MR 59,288 3916 55,372 NC NC 58.9 NC Stage 1–5, including dialysis and transplant ICD Infection, revision;
Miric 2013 MR 36,882 2686 34,196 73 67 62.4 2.1 (0–5) Stage 3 (69 %), stage 4 (3 %), stage 5 (5.5 %), unspecified stage (22 %), including transplant ICD Infection, revision, PE, DVT, mortality, re-admission;
Ponnusamy 2015 MR 4,182,887 1683 4,181,204 66.7 66.8 63.8 NC Stage 5, with dialysis ICD Infection, mortality, transfusion;
Lizaur-Utrilla 2016 MR 45 15 30 69.3 70.1 53.3 3.4 (2–6) Stage 5, including dialysis and transplant Using diagnostic and surgical codes on the departmental arthroplasty database Infection, transfusion;
Kuo 2016 MR 615 205 410 72.1 71.0 27.3 2.7 (2-4.8) Stage 2–5 (eGFR < 60 mL/min/1.73 m2) Calculating eGFR LOS, transfusion;
Kuo 2017 MR 13,844 1459 12,385 71.6 70.3 76.8 2 Stage 1–5 ICD Infection, PE, DVT, mortality, re-admission;
Bedard 2018 MR 35,894 4551 31,343 NC NC 63.7 2 Stage 1–5 ICD Revision;
  1. MR matched retrospective; CKD chronic kidney disease; NC not clear; LOS length of stay; PE pulmonary embolism; DVT deep vein thrombosis; ICD International Classification of Diseases; eGFR estimated glomerular filtration rate