Table 2.
Region | Number of studies | Percentage contribution |
---|---|---|
Africa | 4874 | 2.4 |
South Africa | (2108) | |
Egypt | (1000) | |
Kenya | (304) | |
Uganda | (325) | |
Tanzania | (215) | |
Tunisia | (180) | |
Zambia | (122) | |
Malawi | (131) | |
Europe | 57 313 | 28.0 |
Central America | 2285 | 1.1 |
Middle East | 8443 | 4.1 |
Canada | 14 680 | 7.2 |
United States | 89 561 | 43.7 |
North Asia | 3754 | 1.8 |
Pacifica | 5331 | 2.6 |
South America | 6924 | 3.4 |
South Asia | 3285 | 1.6 |
Southeast Asia | 4189 | 2.0 |
Total | 204 730 |
https://clinicaltrials.gov/ct2/search/map (Accessed 30 June 2016).