Table 5 Comparison of reports that fulfilled each OQAQ component pre-QUOROM and post-QUOROM
From: A systematic evaluation of the quality of meta-analyses in the critical care literature
OQAQ question | Pre-QUOROM (n (%)) | Post-QUOROM (n (%)) | p-value |
|---|---|---|---|
Were the search methods used to find evidence on the primary question(s) stated | 52 (88.1) | 79 (98.8) | 0.010 |
Was the search for evidence reasonably comprehensive? | 14 (23.7) | 35 (43.8) | 0.019 |
Were the criteria used for deciding which studies to include in the overview reported? | 44 (74.6) | 74 (92.5) | 0.007 |
Was bias in the selection of studies avoided? | 15 (25.4) | 34 (42.5) | 0.048 |
Were the criteria used for assessing the validity of the included studies reported? | 33 (55.9) | 60 (75.0) | 0.028 |
Was the validity of all the studies referred to in the text assessed using appropriate criteria? | 23 (39.0) | 42 (52.5) | 0.13 |
Were the methods used to combine the findings of the relevant (to reach a conclusion) reported? | 40 (67.8) | 70 (87.5) | 0.006 |
Were the findings of the relevant studies combined appropriately relative to the primary question of the overview? | 29 (49.2) | 59 (73.8) | 0.004 |
Were the conclusions made by the author(s) supported by the data and/or analysis reported in the overview? | 35 (59.3) | 69 (86.3)0 | <0.0005 |