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

Table 3 Quality assessment for the studies included in the meta-analysis (NOS)

Author	Selection	Comparability	Exposure or outcome	Total score
Aziz[10]	★★★★	★★	★★★	9
Cai[14]	★★	★	★★	6
Chen[11]	★★★	★★	★★★	8
Chen[7]	★★★★	★	★★	7
Gu[15]	★★★	★★	★★	7
Issa[25]	★★	★	★★	5
Merayo-Chalico[23]	★★★	★	★★	7
Roberts[24]	★★★	★	★★★	7
Schnaser[17]	★★★★	★★	★★★	9
Woo[18]	★★	★	★★	5

ISSN: 1749-799X