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Table 1 Demographics of the included studies

From: A systematic review and meta-analysis comparing complications following total hip arthroplasty for systemic lupus erythematosus versus for non-systemic lupus erythematosus

Author Years Design Case/Hips Mean age Female sex (%) Follow up (year) Outcome measures
Aziz [10] 2020 Cohort study 15,883 56 ± 0.4 13,557 (87) 9 Complication
Cai [14] 2021 Case–control study 45 40.78 40 (88.67) 6 Complication, HHS
Chen [11] 2021 Case–control study 617 38.7 ± 12.7 503 (81.5) 17 Complication
Chen [7] 2019 Case–control study 557 41 0.25 Complication
Gu [15] 2021 Case–control study 92 39.9 ± 13.6 74 (80.4) 13 Complication, HHS, PCS, MCS
Issa [25] 2013 Retrospective study 40/60 42 7 Complication, HHS
Merayo-Chalico [23] 2017 Case–control study 58 34.4 ± 1.05 18 Complication
Roberts [24] 2016 Case–control study 58 52.0 52 (89.6) 4 Complication, WOMAC
Schnaser [17] 2016 Case–control study 12,555 53 10,995 (88) 9 Complication
Woo [18] 2014 Retrospective study 13/19 41.3 ± 12.5 12 (92) 8 Complication, HHS
  1. HHS, Harris hip scores; WOMAC, Western Ontario and McMaster University osteoarthritis index; PCS, Physical Component Summary Scale score; MCS, Mental Component Summary Scale score