Table 1 Study characteristics
Characteristica | n (752) | % |
|---|---|---|
RCT design | ||
 Parallel | 643 | 85.5 |
 Crossover | 76 | 10.1 |
 Cluster | 23 | 3.1 |
 Other | 10 | 1.3 |
Clinical setting | ||
 Hospital (inpatient) | 314 | 41.8 |
 Ambulatory (outpatient) | 276 | 36.7 |
 Primary care | 70 | 9.3 |
 Other | 92 | 12.2 |
Population | ||
 Adults | 549 | 73.0 |
 Pregnant women | 47 | 6.3 |
 Older people (≥ 65 years) | 46 | 6.1 |
 Children (≤ 18 years) | 43 | 5.7 |
 Infants (author defined) | 16 | 2.1 |
 Other | 41 | 5.5 |
 Not stated | 10 | 1.3 |
Comparator | ||
 Alternative intervention | 298 | 39.6 |
 Usual care | 270 | 35.9 |
 Placebo | 160 | 21.3 |
 Other | 24 | 3.2 |
Funding source | ||
 Not stated | 412 | 54.8 |
 Government body/agency | 103 | 13.7 |
 Industry | 89 | 11.8 |
 Multiple funders | 47 | 6.3 |
 Charity | 40 | 5.3 |
 University | 14 | 1.9 |
 No funding | 3 | 0.4 |
 Other | 44 | 5.9 |