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Table 1 Summary of tools sourced in this review.

From: A systematic review of the content of critical appraisal tools

Research design focus of critical appraisal tools Critical appraisal tools with summary scores
Secondary studies Systematic reviews/meta-analyses [2-5,15-36,116] All study designs [1,18,41,96-102,116] Summary score [18,41,96,97,116]
Primary studies Experimental studies [2-4,19,25-27,34,37-73]   No summary score [1,98-102]
  Diagnostic studies [19,74-79] Experimental studies Summary score [19,37-59]
  Observational studies [2,3,7,19,25,66,72,80-86]   No summary score [2-4,25,27,28,34,60-73]
  Qualitative studies [9,26,66,87-90] Diagnostic studies Summary score [16,74-77]
  Experimental & Observational studies [9,91-102]   No summary score [78,79]
   Qualitative studies Summary score [87]
    No summary score [9,26,66,88-90]
   Experimental and observational studies Summary score [91-93]
    No summary score [9,94,95]