Table 2 Effectiveness reviews illustrating study selection in a flow diagram
From: Do health technology assessments comply with QUOROM diagram guidance? An empirical study
All systematic reviews of therapeutic interventions: any flow diagram | ||||
|---|---|---|---|---|
| Â | N reviews | n flow diagrams (%) | Citation to study relationship (% of all diagrams) | Citation to study relationship: % of all reviews |
2001 | 18 | 7 (38.9) | 2 (28.6) | 11.1 |
2002 | 22 | 8 (36.4) | 5 (62.5) | 22.7 |
2003 | 15 | 8 (53.3) | 3 (37.5) | 20.0 |
2004 | 19 | 13 (68.4) | 6 (46.2) | 31.6 |
2005 | 13 | 7 (53.8) | 4 (57.1) | 30.8 |
2001–05 | 87 | 43 (49.4) | 20 (46.5) | 23.0 |
Systematic reviews containing a meta-analysis: any flow diagram | ||||
| Â | N reviews | n flow diagrams (%) | Â | Â |
2001 | 7 | 1 (14.3) | Â | Â |
2002 | 10 | 2 (20) | Â | Â |
2003 | 5 | 1 (20) | Â | Â |
2004 | 9 | 5 (55.6) | Â | Â |
2005 | 7 | 3 (42.9) | Â | Â |
2001–05 | 38 | 12 (31.6) |  |  |