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. 2013 May 10;20(6):1109–1119. doi: 10.1136/amiajnl-2013-001705

Table 2.

Critical appraisal of the studies N (%)

Good Fair Poor Very poor NA NR
Abstract 84 (75) 28 (25) 0 (0) 0 (0) 0 (0) 0 (0)
Introduction and aims 64 (57) 48 (43) 0 (0) 0 (0) 0 (0) 0 (0)
Method and data 56 (50) 45 (40) 9 (8) 1 (1) 0 (0) 1 (1)
Sampling 35 (31) 41 (37) 24 (21) 0 (0) 2 (2) 10 (9)
Data analysis 45 (40) 48 (43) 11 (10) 0 (0) 0 (0) 8 (7)
Ethics and bias 34 (30) 2 (2) 1 (1) 0 (0) 0 (0) 75 (67)
Findings/results 44 (39) 61 (55) 7 (6) 0 (0) 0 (0) 0 (0)
Transferability/generalizability 32 (29) 65 (58) 15 (13) 0 (0) 0 (0) 0 (0)
Implications and usefulness 33 (30) 65 (58) 14 (12) 0 (0) 0 (0) 0 (0)

NA, not applicable; NR, not reported.