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Table 2 Percentage of studies meeting the quality assessment criteria, by research design and by topic

From: Including mixed methods research in systematic reviews: Examples from qualitative syntheses in TB and malaria control

  Credibility (“yes”) Description of context (“yes”) Rigour in conduct (score 4) Description of analysis (“yes”) Depth detail and richness (“yes”)
Qualitative studies
TB review (n = 21) 13 (62%) 12(57%) 7 (33%) 8 (38%) 10 (48%)
Malaria review (n = 19) 13 (68%) 11 (58%) 1 (5%) 10 (53%) 7 (37%)
Total (n = 40) 26 (65%) 23 (58%) 8 (20%) 18 (45%) 17 (43%)
Mixed methods studies
TB review (n = 14) 4 (29%) 3 (21%) 2(14%) 1 (7%) 1 (7%)
Malaria review (n = 24) 8 (33%) 17 (71%) 2 (8%) 9 (38%) 6 (25%)
Total (n = 38) 12 (32%) 20 (53%) 4 (11%) 10 (26%) 7 (18%)