Table 1 Summary of characteristics of 116 included studies
Characteristic | Overview of included trials, n (%) unless otherwise indicated |
|---|---|
Sample size, median (IQR) | 131 (66 to 249) |
Location | |
USA | 21 (18%) |
Australia | 20 (17%) |
Japan | 11 (9%) |
UK | 7 (6%) |
Canada | 6 (5%) |
Finland | 5 (4%) |
Brazil | 4 (3%) |
Germany | 4 (3%) |
New Zealand | 4 (3%) |
Sweden | 4 (3%) |
Other | 27 (23%) |
Multinational | 3 (3%) |
Age, median (IQR) | 76 (72 to 80) |
Gender | |
Men: women, number (%) in included studies | 6476 (26%): 18,684 (74%) |
Increased fall risk at enrolment | 62 (53%) |
Risk of bias, high risk | |
Sequence generation | 0 (0%) |
Allocation concealment | 5 (4%) |
Blinding of participants and personnel | 6 (5%) |
Blinding of outcome assessment | 24 (21%) |
Incomplete outcome data | 33 (28%) |
Selective outcome data | 52 (45%) |
Ascertainment bias | 30 (26%) |