Table 2.
Study | Inclusion of consecutive patients | Representativeness (multicentre adequate) | Percentage follow-up (>80% adequate) | Minimisation of potential confounding (multivariable analysis adequate) |
Crosbie et al38 | + | − | + | + |
Edwards et al39 | − | − | + | |
Elson and Brenkel40 | − | − | − | |
Grosu et al41 | − | − | − | |
Núñez et al42 | + | − | − | + |
Núñez et al43 | + | − | − | + |
Phillips et al44 | + | − | + | − |
Pinto et al*45 | + | − | − | + |
Riis et al46 | + | − | + | + |
Sayers et al47 | +† | − | + | + |
Stephens et al48 | + | + | ||
Thomazeau et al49 | + | − | + | + |
Kocic et al50 | − | + | − | |
Veal et al*51 | − | + | − |
*For studies where authors provided data on patients with total knee replacement, ratings are based on the study as reported in the article.
†Information obtained through personal contact.
+, adequate; −, inadequate; blank, not reported.