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Table 2 12-item scale critical appraisal scores

From: Efficacy of steroid addition to multimodal cocktail periarticular injection in total knee arthroplasty: a meta-analysis

Author 12-item scale critical appraisal score
1 2 3 4 5 6 7 8 9 10 11 12 Total
Kwon 2014 [12] Y Y Y Y Y Y Y Y Y Y Y Y 12
Yue 2013 [14] Y Y Y Y Y Y Y Y Y Y Y Y 12
Ikeuchi 2014 [11] Y Y Y Y Y Y Y Y Y Y Y Y 12
Chia 2013 [16] Y Y Y Y Y Y Y Y Y Y Y Y 12
Seah 2011 [15] Y Y Y N Y Y Y Y Y Y Y Y 11
Christensen 2009 [10] Y Y Y Y N Y Y Y Y Y Y Y 11
  1. 12-item scale criteria: (1) Method of randomization; (2) Concealed allocation; (3) Patient blinding; (4) Provider blinding; (5) Outcome assessor blinding; (6) Drop-out rate; (7) Patient allocated as plan; (8) Free of selective outcome reporting; (9) Same baseline; (10) Co-interventions avoided or similar; (11) Acceptable compliance; (12) Same time of outcome assessment. Y = Yes, N = No, A trial with a score of seven or more was considered high quality, more than four but no more than seven was considered moderate quality, and no more than four was considered low quality