Table 2 Summary characteristics of included trials
Characteristic | N (% of total RTCs) |
|---|---|
Volume | |
20 (2016) | 20 (18.7) |
19 (2015) | 19 (17.8) |
18 (2014) | 12 (11.2) |
17 (2013) | 11 (10.3) |
16 (2012) | 8 (7.5) |
15 (2011) | 6 (5.6) |
14 (2010) | 8 (7.5) |
13 (2009) | 10 (9.3) |
12 (2008) | 2 (1.9) |
11 (2007) | 3 (2.8) |
10 (2006) | 8 (7.5) |
Clinical area | |
Cardiovascular | 11 (10.3) |
Critical Care | 2 (1.9) |
Dermatology | 9 (8.4) |
Diabetes | 3 (2.8) |
Gastrointestinal | 9 (8.4) |
Geriatrics | 2 (1.9) |
Immunology | 2 (1.9) |
Lifestyle | 5 (4.7) |
Mental Health | 18 (14.2%) |
Neurology | 4 (3.7) |
Obstetrics and Gynaecology | 2 (1.9) |
Oncology | 4 (3.7) |
Orthopaedics | 6 (5.6) |
Other | 3 (2.8) |
Paediatrics | 9 (8.4) |
Renal/Urology | 6 (5.6) |
Respiratory | 7 (6.5) |
Stroke | 5 (4.7) |
Reached statistical significance? | |
Yes (p < 0.05) | 35/107 (32.7%) |
No | 72/107 (67.3%) |
Final target sample size | |
Mean | 1122 |
Median | 432 |
Achieved sample size | |
Mean | 1015 |
Median | 404 |