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Table 2 The literatures quality of cohort studies were evaluated using Newcastle-Ottawa scale

From: Direct anterior versus posterolateral approaches for clinical outcomes after total hip arthroplasty: a systematic review and meta-analysis

Author/year Selection Comparability Outcome Total Rating
Hu et al. 3 2 3 8 Excellent
Siljander et al. 3 2 3 8 Excellent
Wu et al. 3 0 3 6 Good
Daas et al. 3 2 3 8 Excellent
Fleischman et al. 3 2 3 8 Excellent
Godoy-Monzon et al. 4 1 3 8 Excellent
Triantafyllopoulos et al. 3 2 3 8 Excellent
Lee et al. 3 1 3 7 Good
Fransen et al. 3 2 3 8 Excellent
Jelsma et al. 4 2 3 9 Excellent
Langlois et al. 4 2 3 9 Excellent
Amlie et al. 4 2 3 9 Excellent
Nam et al. 3 2 3 8 Excellent
Spaans et al. 3 1 3 7 Good